Collection
Collection
Learning
The group
Visit us
Expand child menu
Science Museum
National Science and Media Museum
Science and Industry Museum
National Railway Museum
Locomotion
Science and Innovation Park
Collection
Search
About
Search
About
Collection
Learning
The group
Visit us
Expand child menu
Science Museum
National Science and Media Museum
Science and Industry Museum
National Railway Museum
Locomotion
Science and Innovation Park
Drawing.
PART OF:
Drawings
Made:
1950-2005
part of archive:
Archival material relating to the firm of H.N. Irving & Son, instrument makers
maker:
H.N. Irving & Son
Pencil sketch and on reverse list of seven items.
Details
Extent:
1 item
Identifier:
IRV/D/4/25
Access:
Open Access
copyright:
Show
Copies may be supplied in accordance with current copyright legislation and Science Museum Group terms and conditions
Browse this archive
Archival material relating to the firm of H.N. Irving & Son, instrument makers
IRV/A Business correspondence and invoices
IRV/A/001 Astronomical Equipment. Business File
IRV/A/002 Anders Electronics Ltd. Business File
IRV/A/003 George Angus & Co. Ltd. Business File
IRV/A/004 Arrow Hart (Europe) Ltd. Business File
IRV/A/005 Autoflow Engineering Ltd. Business File
IRV/A/006 Banner Electric Co. Ltd. Business File
IRV/A/007 Malcolm Bell Ltd. Business File
IRV/A/008 F. Bullett & Co. Business File
IRV/A/009 Berco Controls Ltd. Business File
IRV/A/010 British Oxygen Co. Ltd. Business File
IRV/A/011 Crouzet Ltd. Business File
IRV/A/012 Dowty Seals Ltd. Business File
IRV/A/013 Electronic Optics Ltd. Business file.
IRV/A/014 Engineering Supplies (Surrey) Ltd. Business file
IRV/A/015 Eltron (London) Ltd. Business file.
IRV/A/016 The Emerson Optical Co. Ltd. Business file.
IRV/A/017 J. E. Faulkner & Son. Business file.
IRV/A/018 H.S.S. Ltd. Business file
IRV/A/019 Dudley K.M. Fuller. Business file
IRV/A/020 Charles Frank Ltd. Business file.
IRV/A/021 Pillar Engineering Supplies Ltd. (H.S.S. Stedall) Business file.
IRV/A/022 Fullerscopes Ltd. Business file.
IRV/A/023 Gedge & Co. (Clerkenwell)Ltd. Business file.
IRV/A/024 Highgate Optical Ltd. Business file
IRV/A/025 David Hinds Ltd. Business File
IRV/A/026 T.A. Hutchinson Ltd. Business file.
IRV/A/027 T. & W. Ide Ltd. Business file
IRV/A/028 Imhof-Bedco Ltd. Business file.
IRV/A/029 Klaxon Ltd. Business file.
IRV/A/030 Kingston Photographic Services Ltd. Business file.
IRV/A/031 The Langham Press Ltd. Business file.
IRV/A/032 Leech (Rochester) Ltd. Business file.
IRV/A/033 Londex Ltd. Business file.
IRV/A/034 London Metal Warehouses Ltd. Business file
IRV/A/035 Claude Lyons Ltd. Business file
IRV/A/036 Victor Moyle & Co. Ltd. Business file.
IRV/A/037 National Physical Laboratory. Business file
IRV/A/038 Negretti & Zambra Ltd. Business file.
IRV/A/039 S.E. Opperman Ltd. (Opperman Gears Ltd.) Business file
IRV/A/040 Optical Instruments (Balham) Ltd. (Optical Surfaces Ltd.) Business file
IRV/A/041 United Marine (1939) Ltd. Business file
IRV/A/042 H. Wildey. Business file
IRV/A/043 MM02 Share Certificates
IRV/A/044 Party Wall Act
IRV/A/045 Astro Systems Ltd. Business file
IRV/A/046 Accounts to be paid. Business file.
IRV/A/047 Molar Products Ltd. Business file.
IRV/A/048 Chance-Pilkington, Pilkington Brothers Ltd. Business file.
IRV/A/049 London Borough of Richmond. Business file
IRV/A/050 The Micanite & Insulators Co., Ltd. Business file.
IRV/A/051 Manganese Bronze Ltd. Business file.
IRV/A/052 Malden Founders Ltd. Business file.
IRV/A/053 Macready's Metal Co. Ltd. Business file.
IRV/A/054 Exico Ltd. Business file.
IRV/A/055 Latest orders for filing. Business file.
IRV/A/056 Enquires A. Business file
IRV/A/057 Enquires B. Business file
IRV/A/058 Enquires C. Business file
IRV/A/059 Enquires D. Business file
IRV/A/060 Enquires E. Business file
IRV/A/061 Enquires F. Business file
IRV/A/062 Enquires G. Business file
IRV/A/063 Enquires H. Business file
IRV/A/064 Enquires J. Business file
IRV/A/065 Enquires K. Business file
IRV/A/066 Enquires L. Business file
IRV/A/067 Enquires M. Business file
IRV/A/068 Enquires N. Business file
IRV/A/069 Enquires O. Business file
IRV/A/070 Enquires P. Business file
IRV/A/071 Enquires R. Business file
IRV/A/072 Legal documents, Personal file
IRV/A/073 Enquires S. Business file
IRV/A/074 Enquires T. Business file
IRV/A/075 Enquires U & V. Business file
IRV/A/076 Enquires W. Business file
IRV/A/077 Enquires X, Y & Z. Business file
IRV/A/078 Income Tax. Business file
IRV/A/079 Advertising: H.A. Collins. Business file
IRV/A/080 Advertising : British Astronomical Society. Business file
IRV/A/081 Advertising: Hermes Magazine. Business file
IRV/A/082 Architect. Personal File
IRV/A/083 Electricity Board. Business file.
IRV/A/084 South Eastern Gas Board. Business file
IRV/A/085 Confederation Life Assurance . Business file.
IRV/A/086 Medicihaus GmbH. Business file.
IRV/A/087 The British Internal Combustion Engine Research Institute, Ltd. Business file
IRV/A/088 Physikalisch-Technische Bundesansfalt. Business file.
IRV/A/089 Swiss Office of Weights and Measures. Business file.
IRV/A/090 Laborelec Laboratoire, Business file.
IRV/A/091 Sulzer Brothers Ltd. Business file.
IRV/A/092 Completed orders. Business file.
IRV/A/093 Completed orders. Business file.
IRV/A/094 Thermometer Testing Baths. Business file.
IRV/A/095 Thermometer Testing Baths. Business file.
IRV/A/096 Completed orders A. Business file.
IRV/A/097 Completed orders B. Business file.
IRV/A/098 Completed orders C. Business file.
IRV/A/099 Completed orders D. Business file.
IRV/A/100 Completed orders E. Business file.
IRV/A/101 Completed orders F. Business file.
IRV/A/102 Completed orders C.H.Frye. Business file.
IRV/A/103 Completed orders G. Business file.
IRV/A/104 Completed orders H. Business file.
IRV/A/105 Completed orders J. Business file.
IRV/A/106 Completed orders L. Business file.
IRV/A/107 Completed orders H & K. Business file.
IRV/A/108 Completed orders M. Business file.
IRV/A/109 Completed orders N. Business file.
IRV/A/110 Completed orders O. Business file.
IRV/A/111 Completed orders P. Business file.
IRV/A/112 Completed orders R. Business file.
IRV/A/113 Completed orders S. Business file.
IRV/A/114 Completed orders T. Business file.
IRV/A/115 Completed orders U & V. Business file.
IRV/A/116 Completed orders W. Business file.
IRV/A/117 Completed orders X. Y & Z. Business file.
IRV/A/118 Letters not answered. Business file
IRV/A/119 A.E.I. Business file
IRV/A/120 Admiralty Surface Weapons Establishment. Business file.
IRV/A/121 Airflow Developments Ltd. Business file
IRV/A/122 Atomic Energy Establishment. Business file.
IRV/A/123 British Petroleum Co. Ltd. Business File
IRV/A/124 British Thomson-Houston Co. Ltd. Business File
IRV/A/125 Cambridge Instrument Co. Ltd. Business file.
IRV/A/126 Clarke, Chapman & Co. LTD. Business file.
IRV/A/127 Central Electricity Research Laboratories. Business file.
IRV/A/128 C.N.S. Instruments Ltd. Business file.
IRV/A/129 Eltron (London) Ltd. Business file.
IRV/A/130 Glasshouse Crops Research Institute. Business file.
IRV/A/131 Hawker Aircraft Ltd. Business file.
IRV/A/132 Heto Lab Equipment Business file.
IRV/A/133 Messrs. Akadimport, Budapest, Hungary. Business file
IRV/A/134 Imperial Chemical Industries Ltd. Business file.
IRV/A/135 Indian Government. Business file.
IRV/A/136 International Combustion Ltd. Business file.
IRV/A/137 H.N. Irving & Son. Business file.
IRV/A/138 Iranian Oil Services Ltd. Business file.
IRV/A/139 Labimex, Poland. Business file.
IRV/A/140 Marconi Wire and Telegraph Co. Ltd. Business file.
IRV/A/141 Merz & McLellan. Business file.
IRV/A/142 Mechanical Engineering Research Laboratory. Business file
IRV/A/143 Metal Box Co. Ltd. Business file
IRV/A/144 Metropolitan-Vickers Electrical Co. Ltd. Business file.
IRV/A/145 Miscellaneous. Business file
IRV/A/146 Ministry of Defence. Business file.
IRV/A/147 Northampton College of Technology. Business file.
IRV/A/148 National Physical Laboratory. Business file
IRV/A/149 Pakistan High Commission. Business file.
IRV/A/150 C.A. Parsons & Co. Ltd. Business file.
IRV/A/151 Photographs Testing Baths. Business file.
IRV/A/152 Pirelli General. Business file.
IRV/A/153 Poland. Business file.
IRV/A/154 Photographs of Telescopes. Business file.
IRV/A/155 Rheostatic Co. Ltd. Business file.
IRV/A/156 Rolls Royce. Business file.
IRV/A/157 St. John's Hospital. Business file.
IRV/A/158 A. Saied, Esq. Business file.
IRV/A/159 Shell Petroleum Co. Ltd. Business file.
IRV/A/160 South Africa. Business file.
IRV/A/161 Swiss Office of Weights and Measures. Business file.
IRV/A/162 United Marine (1939) Ltd. Business file
IRV/A/163 Varimex, Poland. Business file.
IRV/A/164 Wiring Circuits. Business file.
IRV/A/165 Rencol. The Ray Engineering Co. Ltd. Business file.
IRV/A/166 Renold Ltd. Business file.
IRV/A/167 J. Smith & Sons (Clerkenwell) Ltd. Business file.
IRV/A/168 Scientific Lens Co. Ltd. Business file.
IRV/A/169 Southborough Sheet Metal Works Ltd. Business file.
IRV/A/170 Taylor Stainless Metals Ltd. Business file.
IRV/A/171 NYBY BRUKS AB, Sweden. Trade catalogue.
IRV/A/172 Thomas Tingley Ltd. Business file.
IRV/A/173 Turners Asbestos Cement Co. Ltd. Business file.
IRV/A/174 United Marine (1939) Ltd. Business file
IRV/A/175 Edgar Vaughan and Co. Ltd. Business file
IRV/A/176 Reo Stainless Ltd. Business file.
IRV/A/177 Lionel Robinson & Co. Ltd. Business file.
IRV/A/178 Omega Plastics Ltd. Business file
IRV/A/179 Optical Surfaces Ltd. Business file
IRV/A/180 Drawing.
IRV/A/181 Air Pump Photographs.
IRV/A/182 Water bath Photographs.
IRV/A/183 Sasol One (Proprietary) London Ltd. Business file.
IRV/A/184 Telescope Photographs.
IRV/A/185 Correspondence
IRV/A/186 Correspondence
IRV/A/187 Correspondence
IRV/A/188 Orders placed by H. N. Irving & Son.
IRV/A/189 Outstanding Accounts.
IRV/A/190 Completed orders. Business file.
IRV/A/191 Completed orders. Business file.
IRV/A/192 Paid invoices. Business file.
IRV/A/193 Paid invoices. Business file.
IRV/A/194 Paid invoices. Business file.
IRV/A/195 Paid invoices. Business file.
IRV/A/196 Paid invoices. Business file.
IRV/A/197 Paid invoices. Business file.
IRV/A/198 Miscellaneous Correspondence
IRV/A/199 Miscellaneous Correspondence
IRV/A/200 Miscellaneous Correspondence
IRV/A/201 Negretti & Zambra Ltd. Business file.
IRV/A/202 Negretti & Zambra Ltd. Business file.
IRV/A/203 Negretti & Zambra Ltd. Business file.
IRV/A/204 Negretti & Zambra Ltd. Business file.
IRV/A/205 Negretti & Zambra Ltd. Business file.
IRV/A/206 Negretti & Zambra Ltd. Business file.
IRV/A/207 Negretti & Zambra Ltd. Business file.
IRV/A/208 Negretti & Zambra Ltd. Business file.
IRV/A/209 Negretti & Zambra Ltd. Business file.
IRV/A/210 Negretti & Zambra Ltd. Business file.
IRV/A/211 The Curtis Manufacturing Co. Ltd.
IRV/A/212 D.H. Derbyshire, Charterhouse
IRV/A/213 Imperial College of Science and Technology. Business file.
IRV/A/214 R.W. Panther. Correspondence.
IRV/A/215 Pioneer Oilsealing & Moulding Co. Ltd. Business file.
IRV/A/216 Radio and Space Research Station. Business file.
IRV/A/217 Ricardo & Co. Engineers (1927) Ltd. Business file.
IRV/A/218 R.R. Strand. Business file.
IRV/A/219 J.C. Sattele. Business file
IRV/A/220 The Standwell Equipment Co. Ltd. Business file
IRV/A/221 Dr. J.F.A. Swartz, University of Stellenbosch, S. Africa. Business file.
IRV/A/222 Shandon Scientific Co. Ltd. Business file
IRV/A/223 F.G Sturgeon, Engineer. Business file.
IRV/A/224 Twickenham Plating Co. Ltd. Business file
IRV/A/225 Technical Platings Ltd. Business file.
IRV/A/226 The Thermal Syndicate Ltd. Business file.
IRV/A/227 Parts required for Deep Sea Thermal Bath.
IRV/A/228 University College London. Business file.
IRV/A/229 Scot Urquhart Ltd. Business file.
IRV/A/230 H. Wildey. Business file
IRV/A/231 G.E. Williamson. North London Iron Works. Business file.
IRV/A/232 Business file A
IRV/A/233 Business file B
IRV/A/234 Business file C
IRV/A/235 Business file D
IRV/A/236 Business file E
IRV/A/237 Business file F
IRV/A/238 Business file G
IRV/A/239 Business file H
IRV/A/240 Business file I
IRV/A/241 Business file L
IRV/A/242 Business file M
IRV/A/243 Business file N
IRV/A/244 Business file O
IRV/A/245 Business file P
IRV/A/246 Business file R
IRV/A/247 Business file S
IRV/A/248 Business file T
IRV/A/249 Business file V
IRV/A/250 Business file Miscellaneous
IRV/B Documents relating to hypsometer “test baths”
IRV/B/01 NPL Business File
IRV/B/02 Sketches and drawings
IRV/B/03 Drawing No. YI - 02482
IRV/B/04 Drawing No. YI - 02483
IRV/B/05 Tender No. M1432Y1
IRV/B/06 Tender No. M1432Y1
IRV/B/07 Instructions
IRV/B/08 Report
IRV/B/09 Drawing
IRV/B/10 Rumere Ltd. Business File
IRV/B/11 Business file
IRV/B/12 Drawing No. B.A.C 2837/8
IRV/B/13 Drawing No. BOA-B 2815
IRV/C Order books and cash books
IRV/C/1 Advice notes to suppliers
IRV/C/1/01 Advice Note 2 - 100
IRV/C/1/02 Advice Note 101 - 200
IRV/C/1/03 Advice Note 201 - 300
IRV/C/1/04 Advice Note 301 - 400
IRV/C/1/05 Advice Note 401 - 500
IRV/C/1/06 Advice Note 501 - 600
IRV/C/1/07 Advice Note 601 - 700
IRV/C/1/08 Advice Note 701 - 800
IRV/C/1/09 Advice Note 801 - 900
IRV/C/1/10 Advice Note 901 - 1000
IRV/C/1/11 Advice Note 1001 - 1100
IRV/C/1/12 Advice Note 1101 - 1200
IRV/C/1/13 Advice Note 1201 - 1300
IRV/C/1/14 Advice Note 1301 - 1400
IRV/C/1/15 Advice Note 1401 - 1500
IRV/C/1/16 Advice Note 1501 - 1600
IRV/C/1/17 Advice Note 1601 - 1700
IRV/C/1/18 Advice Note 1701 - 1800
IRV/C/1/19 Advice Note 1801 - 1900
IRV/C/1/20 Advice Note 1901 - 2000
IRV/C/1/21 Advice Note 2001 - 2100
IRV/C/1/22 Advice Note 2101 - 2200
IRV/C/1/23 Advice Note 2201 - 2300
IRV/C/1/24 Advice Note 2301 - 2400
IRV/C/1/25 Advice Note 2401 - 2500
IRV/C/1/26 Advice Note 2501 - 2600
IRV/C/1/27 Advice Note 2601 - 2700
IRV/C/1/28 Advice Note 2701 - 2800
IRV/C/1/29 Advice Note 2801 - 2900
IRV/C/1/30 Advice Note 2901 - 3000
IRV/C/1/31 Advice Note 3001 - 3100
IRV/C/1/32 Advice Note 3101 - 3200
IRV/C/1/33 Advice Note 3201 - 3300
IRV/C/1/34 Advice Note 3301 - 3400
IRV/C/1/35 Advice Note 3401 - 3500
IRV/C/1/36 Advice Note 3501 - 3600
IRV/C/1/37 Advice Note 3601 - 3700
IRV/C/1/38 Advice Note 3701 - 3800
IRV/C/1/39 Advice Note 3801 - 3900
IRV/C/1/40 Advice Note 3901 - 4000
IRV/C/1/41 Advice Note 4001 - 4100
IRV/C/1/42 Advice Note 4101 - 4200
IRV/C/1/43 Advice Note 4201 - 4300
IRV/C/1/44 Advice Note 4501 - 4600
IRV/C/2 Order Books
IRV/C/2/01 Order Book 2001 - 2100
IRV/C/2/02 Order Book 2101 - 2200
IRV/C/2/03 Order Book 2201 - 2300
IRV/C/2/04 Order Book 2301 - 2400
IRV/C/2/05 Order Book 2401 - 2500
IRV/C/2/06 Order Book 2501 - 2600
IRV/C/2/07 Order Book 2601 - 2700
IRV/C/2/08 Order Book 2701 - 2800
IRV/C/2/09 Order Book 2801 - 2900
IRV/C/2/10 Order Book 2901 - 3000
IRV/C/2/11 Order Book 3001 - 3100
IRV/C/2/12 Order Book 3101 - 3200
IRV/C/2/13 Order Book 3201 - 3300
IRV/C/2/14 Order Book 3301 - 3400
IRV/C/2/15 Order Book 3401 - 3500
IRV/C/2/16 Order Book 3501 - 3600
IRV/C/2/17 Order Book 3601 - 3700
IRV/C/2/18 Order Book 3701 - 3800
IRV/C/2/19 Order Book 3801 - 3900
IRV/C/2/20 Order Book 3901 - 4000
IRV/C/2/21 Order Book 4001 - 4090
IRV/C/2/22 Order Book 5096 - 5500
IRV/C/3 Challenge receipt books
IRV/C/3/01 Challenge Receipt Book A1
IRV/C/3/02 Challenge Receipt Book A
IRV/C/3/03 Challenge Receipt Book B
IRV/C/3/04 Challenge Receipt Book C
IRV/C/3/05 Challenge Receipt Book D
IRV/C/3/06 Challenge Receipt Book G
IRV/C/3/07 Challenge Receipt Book F
IRV/C/3/08 Challenge Receipt Book I
IRV/C/3/09 Challenge Receipt Book J
IRV/C/3/10 Challenge Receipt Book L
IRV/C/3/11 Challenge Receipt Book M
IRV/C/3/12 Challenge Receipt Book R
IRV/C/3/13 Challenge Receipt Book T
IRV/C/3/14 Challenge Receipt Book U
IRV/C/3/15 Challenge Receipt Book V
IRV/C/3/16 Challenge Receipt Book W
IRV/C/3/17 Challenge Receipt Book Y
IRV/C/3/18 Challenge Receipt Book Z
IRV/C/3/19 Challenge Receipt Book 1 -100
IRV/C/3/20 Challenge Receipt Book 1 - 100
IRV/C/3/21 Challenge Receipt Book 1 - 100
IRV/C/3/22 Challenge Receipt Book 1 - 100
IRV/C/3/23 Challenge Receipt Book 1 - 88
IRV/C/4 Financial Records
IRV/C/4/01 Petty Cash Book
IRV/C/4/02 Petty Cash Book
IRV/C/4/03 Analysis Cash Book
IRV/C/4/04 Parcel Post Receipt Book
IRV/C/4/05 Parcel Post Receipt Book
IRV/C/4/06 Parcel Post Receipt Book
IRV/C/4/07 St Paul's Cash Receipt Book.
IRV/C/4/08 Diary
IRV/C/4/09 Barclays Bank Counter Credit Receipts Book
IRV/C/4/10 Barclays Bank Counter Credit Receipts Book
IRV/C/4/11 Barclays Bank Counter Credit Receipts Book
IRV/C/4/12 Barclays Bank Counter Credit Receipts Book
IRV/C/4/13 Barclays Bank Counter Credit Receipts Book
IRV/C/4/14 Challenge duplicate invoice book.
IRV/C/4/15 Challenge duplicate book.
IRV/C/4/16 Balance sheet
IRV/C/4/17 Balance sheet
IRV/C/4/18 Balance sheet
IRV/C/4/19 Barclays Account Sheet.
IRV/C/4/20 Letter
IRV/C/4/21 Invoices.
IRV/D Design drawings
IRV/D/1 Drawings of geared motor unit
IRV/D/1/01 Outline of geared motor unit type 47506PBD/W56. Fractional HP Motors Ltd., Enfield. Size 330 x 750mm.
IRV/D/1/02 Hand drawn pencil sketch of two 'C' section brackets. Draw for Mr. D.K. Northrop, Cheam-Sutton. Size 400 x 500mm.
IRV/D/1/03 Hand drawn pencil sketch of extension tube. Draw for Mr. D.K. Northrop, Cheam-Sutton. Size 200 x 330mm.
IRV/D/1/04 Hand drawn ink sketch of sprocket wheel for Mr. D.K. Northrop. Size 200 x 250 mm.
IRV/D/1/05 Two hand drawn ink sketches of a bracket, draw for Norman Fisher. Size 200 x 250 mm.
IRV/D/1/06 Hand drawn pencil sketch of spacer, eyepiece cell and lock ring. Size 130 x 200mm.
IRV/D/1/07 Monochrome photograph of a roadway and distant valley, object marked with a cross. Size 200 x 250 mm.
IRV/D/1/08 Monochrome photograph of the front of The Punch Bowl, Hotel. Possibly a telephoto photograph from the previous photograph location. Size 200 x 250 mm.
IRV/D/1/09 Monochrome photograph of a large telescope mounted on a stand inside a domed roof. Size 120 x 170 mm.
IRV/D/2 Drawings of high temperature thermometer bath
IRV/D/2/01 Drawing No. 1592
IRV/D/2/02 Drawing.
IRV/D/2/03 Drawing.
IRV/D/2/04 Drawing.
IRV/D/2/05 Drawing.
IRV/D/2/06 Drawing. No. E/9572/1.
IRV/D/2/07 Drawing.
IRV/D/2/08 Drawing.
IRV/D/2/09 Drawing. No. 258/34.
IRV/D/3 Drawings and other papers relating to telescopes
IRV/D/3/01 Drawing.
IRV/D/3/02 Drawing.
IRV/D/3/03 Drawing.
IRV/D/3/04 Drawing.
IRV/D/3/05 Drawing.
IRV/D/3/06 Drawing.
IRV/D/3/07 Drawing.
IRV/D/3/08 Drawing.
IRV/D/3/09 Drawing.
IRV/D/3/10 Drawing.
IRV/D/3/11 Drawing.
IRV/D/3/12 Trade Literature.
IRV/D/3/13 Trade Literature.
IRV/D/3/14 Trade Literature.
IRV/D/3/15 Trade Literature.
IRV/D/3/16 Drawing.
IRV/D/3/17 Drawing.
IRV/D/3/18 Letter.
IRV/D/3/19 Letter.
IRV/D/3/20 Letter.
IRV/D/3/21 Letter.
IRV/D/3/22 Letter.
IRV/D/3/23 Letter.
IRV/D/3/24 Letter.
IRV/D/3/25 Letter.
IRV/D/3/26 Postcard
IRV/D/3/27 Order form
IRV/D/3/28 Envelope
IRV/D/3/29 Stickers
IRV/D/3/30 Letter.
IRV/D/3/31 Contents sheet.
IRV/D/3/32 Cartoon sheet.
IRV/D/3/33 Sheet
IRV/D/4 Drawings
IRV/D/4/01 Drawing No. 1592
IRV/D/4/02 Drawing No. D781.
IRV/D/4/03 Drawing No. B 3083.
IRV/D/4/04 Drawing No. B 3083.
IRV/D/4/05 Drawing No. B 3083.
IRV/D/4/06 Drawing.
IRV/D/4/07 Drawing.
IRV/D/4/08 Drawing No. W528-3Z
IRV/D/4/09 Drawing No. 258/34
IRV/D/4/10 Drawing No. 258/32
IRV/D/4/11 Drawing.
IRV/D/4/12 Drawing No. 100-3110
IRV/D/4/13 Drawing No. 100-3111
IRV/D/4/14 Drawing No. 0/6135/2.
IRV/D/4/15 Drawing No. 100-3109
IRV/D/4/16 Drawing No. 100-3110
IRV/D/4/17 Drawing No. 100-3108
IRV/D/4/18 Drawing No. 100-3111
IRV/D/4/19 Drawing.
IRV/D/4/20 Drawing No. 258/33
IRV/D/4/21 Drawing No. 258/34
IRV/D/4/22 Drawing.
IRV/D/4/23 Drawing.
IRV/D/4/24 Letter
IRV/D/4/25 Drawing.
IRV/D/4/26 Letter
IRV/D/4/27 Letter
IRV/D/4/28 Invoice
IRV/D/4/29 Letter
IRV/D/4/30 Letter
IRV/D/4/31 Drawing.
IRV/D/4/32 Letter
IRV/D/4/33 Letter
IRV/D/4/34 Drawing.
IRV/E Photographs
IRV/F Promotional literature
IRV/F/1 H.N. Irving & Son promotional literature
IRV/F/2 Promotional literature of other manufacturers
IRV/G Certificates
IRV/J Ephemera
