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Receiver unit from the ENIAC computer, 1943-1945

Computing & Data Processing

1943-1945

Monocular polarising microscope by R & J Beck, Lon

Microscopes

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

Dentistry

1925-1935

Haemacytometer, Philadelphia, United States, 1900-1980

Laboratory Medicine

1900-1980

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

Dentistry

1795

Thermocouple calculator with centigrade to Fahrehe

Mathematics

1952-1960

Chevalier Jackson-type aspirating bronchoscopes

Clinical Diagnosis

1920-1950

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

Meteorology

Lo-cate radiosonde, Serial No. 905-8872

Meteorology

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

Meteorology
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

Breast pump

Nursing & Hospital Furnishings

1851-1900

Tinfoil phonograph, 1880

Sound Reproduction

1880
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

Compound monocular microscope with radial substage

Microscopy (Wellcome)

1880-1870

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

Microscopy (Wellcome)

1875-1880

Tinfoil phonograph, made by Brehmer Bros., Philade

Sound Reproduction

1880

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

Meteorology

Botanic microscope (for dissection) in wooden case

Microscopy (Wellcome)

1871-1890

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

Meteorology

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

Meteorology
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

Transit compass, signed by Blydenburgh and Giles o

Surveying

1840-1842

Demonstration microscope by Acme Optical Works, Ph

Microscopy (Wellcome)

1873-1900
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

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

Textiles Machinery

1868

Brass hydrometer set, Dicas type, serial no 1163,

Experimental Chemistry

1810-1830

Tinfoil sheets for tinfoil phonograph,1880

Sound Reproduction

1880

Skull saw

Surgery

1801-1900

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

Meteorology

General Foods Profit Calculator, cardboard slide r

Mathematics

1940-1941

Catheter

Surgery

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

Microscopy (Wellcome)

1871-1900

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

Meteorology

Lo-cate radiosonde, Serial No. 406-2431

Meteorology

Combined eidograph and geometric drawing instrumen

Mathematics

1858-1880

Student microscope on cast iron stand, by Tolles,

Microscopy (Wellcome)

1900-1925

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

Meteorology

Compound monocular microscope by Sidle and Poalk,

Microscopy (Wellcome)

1871-1900

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

Meteorology

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

X-rays

1897-1899
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

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

Microscopy (Wellcome)

1871-1880

The New Aerial Puff Cake

Art

1785-1820
Dare haemoglobinometer, plated steel, with leatherette case, made by Reiker Instrument Co, Philadelphia, USA., 1930-1940

Dare haemoglobinometer, plated steel, with leather

Laboratory Medicine

1930-1940
Button, Philadelphia & Reading Railway, Gilt. Lined button with P&R in block letters, Dimensions; 3/4" dia.

Gilt button, Philadelphia & Reading

Railway Uniform & Costume
Dental compressor, by the Electro Dental Manufacturing Company, Philadelphia, U.S.A., 1905-1920

Dental compressor, by the Electro Dental Manufactu

Dentistry

1905-1920
Brooks variable self and mutual inductor 90691, serial no.2, made by Leeds & Northup Co. Philadelphia, U.S.A.

Brooks variable self and mutual inductor 90691, se

Electricity and Magnetism
2. Fruit bottling machine, Mudge Patent Processor, Philadelphia, 1886

2. Fruit bottling machine, Mudge Patent Processor,

Domestic Appliances

1886
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