Patent for "Improvements in or relating to valve gears for engines worked by fluid pressure" by Harold Holcroft
Issue of "The Strand" magazine, March 1921
40 B H P Aero Engine
Untitled drawing - Plan, Side Elevation and Section of Railway Carriage
40 B H P Aero Engine
Solar Prominences
Halley's Comet
Sunspots and Calcium Flocculi
Solar Prominences
Halley's Comet
A mounted photographic print of a rocky ravine
Photographic prints of fauna and birds
Vertical Framing for "Rapson's Slide" Model
Rapson's Slide Model - General Arrangement of Ship Structures
Long service certificate awarded to William Howard
Volume entitled "Certificates of Verifications No. 3"
Photograph album entitled 'How We Journeyed to Monte Carlo'
Catalogue of Cotton Spinning & Weaving Machinery with calculations etc
Drawing entitled 'Victoria and Albert Museum Southern Galleries &c'
Drawing entitled 'The Science Museum Southern Galleries &c'
Photo showing the opening of Engineers' Day exhibition by President of Pakistan in presence of HM Queen & Duke of Edinburgh
Photo showing the opening of Engineers' Day exhibition by President of Pakistan in presence of HM Queen & Duke of Edinburgh
Roll of drawings and calculations
AVRO Manchester Tender Specification
Works photographic negative of section of ant eaten cable, Calcutta [Kolkata], India
Works photographic negative of men by broken wheels, Pretoria Pit, Hulton
Works photographic negative of men with miner's lamps, Pretoria Pit, Hulton
Works photographic negative of damaged tubs, Pretoria Pit, Hulton
Works photographic negative of damaged tunnel, Pretoria Pit, Hulton
Works photographic negative of collapsed pit roof, Pretoria Pit, Hulton
Works photographic negative of burnt timbers, Pretoria Pit, Hulton
Works photographic negative of burnt timbers, Pretoria Pit, Hulton
Works photographic negative of damaged sheet metal, Pretoria Pit, Hulton
Works photographic negative of dismantled miner's lamp, Pretoria Pit, Hulton
Works photographic negative of damaged tunnel, Pretoria Pit, Hulton
Works photographic negative of track shutters, Pretoria Pit, Hulton
Works photographic negative of a group portrait, WT Glover & Co. Ltd works, Trafford Park
Letter of reference for Jack Alcock
Coach-builders chassis arrangement for a 15 hp chassis type 5
Some Considerations in Physiological, Whole Body Protection in Intense Noise Fields
