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Botanic microscope (for dissection) in wooden case

Microscopy (Wellcome)

1871-1890

Receiver unit from the ENIAC computer, 1943-1945

Computing & Data Processing

1943-1945

Hydraulic dental chair, Philadelphia, United States, 1925-1935

Dentistry

1925-1935

Letter from George Washington to his dentist, United States, 1795

Dentistry

1795

Demonstration microscope by Acme Optical Works, Ph

Microscopy (Wellcome)

1873-1900

Chevalier Jackson-type aspirating bronchoscopes

Clinical Diagnosis

1920-1950

Accu-Lok radiosonde. For NOAA - National Service, US Dept. of Commerce.

Meteorology

Lo-cate radiosonde, Serial No. 905-8872

Meteorology

Monocular polarising microscope by R & J Beck, Lon

Microscopes
Two complete sets, on cards, of de Trey's "Rib Anchor" diatoric porcelain teeth, by the Standard Dental Mfg. Co., USA, 1905-1925

Two complete sets, on cards, of de Trey's "Rib Anc

Dentistry

1905-1925

Transit compass, signed by Blydenburgh and Giles o

Surveying

1840-1842
Patent model of improved orrery by John G. Moore of Philadelphia, US Patent 51072 dated 21st November 1865, with original tag.

Patent model of orrery planetary mechanism, 1865

Astronomy

1865

Brass hydrometer set, Dicas type, serial no 1163,

Experimental Chemistry

1810-1830

Sorby microspectroscope in case, by R. & J. Beck,

Microscopy (Wellcome)

1871-1900

Haemacytometer, Philadelphia, United States, 1900-1980

Laboratory Medicine

1900-1980

Combined eidograph and geometric drawing instrumen

Mathematics

1858-1880

Lo-cate radiosonde, Serial No. 406-2431

Meteorology

Brooks variable self and mutual inductor 90691, se

Electricity and Magnetism

Thermocouple calculator with centigrade to Fahrehe

Mathematics

1952-1960

Tinfoil phonograph, 1880

Sound Reproduction

1880
Locomotive Worksplate, "The Baldwin Locomotive Works No 45172 - 1917. W ^ D . Philadelphia USA. Indent No. DRT 887. Mar 1st 1917", brass, oval, ex works February 1917, supplied new to British War Office (War Department light railways 1040), renumbered to 590 later in 1917, 1923 to Welsh Highland Railway No. 590, June 1934 to June 1937 Festiniog Railway No. 13, scrapped June 1942.

baldwin locomotive worksplate

Locomotives and Rolling Stock Components

1917
Weights from the Castlereagh Collection for Philadelphia (USA). A set of 4 rectangular brass troy weights.

Weights from the Castlereagh Collection for Philadelphia (USA)

Weighing & Measuring

1800-1818

Steel clip, for Lo-cate radiosonde, Serial No. 905-8872

Meteorology

Compound monocular microscope with radial substage

Microscopy (Wellcome)

1880-1870

Compound monocular microscope by R. & J. Beck, ser

Microscopy (Wellcome)

1875-1880

Breast pump

Nursing & Hospital Furnishings

1851-1900

Tinfoil phonograph, made by Brehmer Bros., Philade

Sound Reproduction

1880

Accu-Lok radiosonde. For NOAA - National Service, US Dept. of Commerce.

Meteorology

Accu-Lok radiosonde. For NOAA - National Service, US Dept. of Commerce.

Meteorology

Steel clip, for Lo-cate radiosonde, Serial No. 905-8872

Meteorology

Sewing machine, head of a treadle, button-hole type

Textiles Machinery

1868
Brass locomotive bell, on teak base, from 5000th locomotive built by Baldwin locomotive works for the Philadelphia Railway, USA, 1880.

baldwin locomotive bell

Locomotives and Rolling Stock Components

1880

Tinfoil sheets for tinfoil phonograph,1880

Sound Reproduction

1880

Skull saw

Surgery

1801-1900

General Foods Profit Calculator, cardboard slide r

Mathematics

1940-1941

Catheter

Surgery

Lo-cate Microsonde, model 1524-511, serial No. 5376, including sensors

Meteorology

Removable lid, for Lo-cate radiosonde, Serial No. 905-8872

Meteorology

Student microscope on cast iron stand, by Tolles,

Microscopy (Wellcome)

1900-1925

Compound monocular microscope by Sidle and Poalk,

Microscopy (Wellcome)

1871-1900
Locomotive Worksplate, cast iron, oval, Baldwin Locomotive Works No 44695 of 1917, ex War Department Light Railway Baldwin Class 10-12-D 4-6-0 tank locomotive No. 790, to Ashover Light Railway 1925 "Guy" (note locomotive 1'22½" gauge, ALR 2'0" gauge), withdrawn 1941, scrapped 1943.

Baldwin worksplate

Locomotives and Rolling Stock Components

1917

Roll of computer paper tape, for Lo-cate radiosonde, Serial No. 406-2431

Meteorology

Removable lid, for Lo-cate radiosonde, Serial No. 406-2431

Meteorology

Demonstration microscope by R. & J. Beck, London,

Microscopy (Wellcome)

1871-1880

X-ray tube with separate anode and automatic potash-type vacuum regulator

X-rays

1897-1899

The New Aerial Puff Cake

Art

1785-1820
Plastic lens and shutter assembly with wind on knob for attachment to 126 film cartridge. Simple frame finder. Snap shooter camera Co, 1971.

Snapshooter camera

Photographic Technology

1971
Hand-operated raisin stoner no. 36, with integral table clamp, works b y feeding wet raisins into toothed rollers which strip the flesh off, US patent 1895, made by Enterprise Manufacturing Co., Philadelphia, U. S.A., 1895-1900

Hand-operated raisin stoner no. 36, with integral

Domestic Appliances

1895-1900
Rubicon Instruments potentiometer model 2768 no.112007, by the Minneapolis-Honeywell Regulator Co., Philadelphia, made in USA, six decade type, with built-in standard cell

Rubicon Instruments potentiometer model 2768 no.11

Electricity and Magnetism

1950-1970
Button, Philadelphia & Reading Railway, Gilt. Lined button with P&R in block letters, Dimensions; 3/4" dia.

Gilt button, Philadelphia & Reading

Railway Uniform & Costume