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Receiver unit from the ENIAC computer, 1943-1945

Computing & Data Processing

1943-1945

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
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

Botanic microscope (for dissection) in wooden case

Microscopy (Wellcome)

1871-1890

Boxed shade guide for S.S. White porcelain

Dentistry

1917-1935

Barrett Desk adding listing machine

Mathematics

1930-1939
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

Packet of "Moyco" finishing strips by the J. Bird Moyer Co.

Dentistry

1965-1975

Stormer viscometer by Arthur H. Thomas Co.

Experimental Chemistry

c.1928

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

Meteorology

Chevalier Jackson-type aspirating bronchoscopes

Clinical Diagnosis

1920-1950

Brooks variable self and mutual inductor 90691

Electricity and Magnetism

Two packets of 6 "Revelation" inverted cone plain cut burs for straight handpiece

Dentistry

1950-1965

Shade guide for S.S. White porcelain teeth

Dentistry

1922

Breast pump in case

Nursing & Hospital Furnishings

1851-1900
Weights from the Castlereagh Collection for Philadelphia (USA). A set of 4 rectangular brass troy weights.

Weights from the Castlereagh Collection for Philadelphia

Weighing & Measuring

1800-1818

Atomiser, made by Whitall Tatum Company

Therapeutics

Compound monocular microscope by R. & J. Beck

Microscopy (Wellcome)

1875-1880

Steel clip

Meteorology

Lo-cate radiosonde

Meteorology

Tinfoil phonograph, 1880

Sound Reproduction

1880

Thermocouple calculator with centigrade to Fahreheit converter by Leeds Northrup

Mathematics

1952-1960

Compound monocular microscope with radial substage

Microscopy (Wellcome)

1880-1870

Monocular polarising microscope by R & J Beck

Microscopes

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

Meteorology

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

Meteorology

Doriot No. 4 handpiece

Dentistry

1917-1930
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

Dentistry

1905-1925

Bottle of "Muco-Seal" impression compound sealant

Dentistry

1950-1965

Packet of "Tempryte" steel polishing strips

Dentistry

1955-1970

Steel clip

Meteorology

7 sets of 4 porcelain posterior crowns on card

Dentistry

1905-1925

Tinfoil phonograph

Sound Reproduction

1880

Transit compass

Surveying

1840-1842

Silver bleeding bowl

Therapeutics

1765-1775

Bottle of Muco-Seal denture fixative powder

Dentistry

1950-1965

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

Textiles Machinery

1868

Tinfoil sheets for tinfoil phonograph,1880

Sound Reproduction

1880

Brass hydrometer set

Experimental Chemistry

1810-1830

Demonstration microscope by Acme Optical Works

Microscopy (Wellcome)

1873-1900

Skull saw

Surgery

1801-1900

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

Meteorology

Dental stopper

Dentistry

1862-1868

Removable lid

Meteorology

General Foods Profit Calculator

Mathematics

1940-1941

dental excavator

Dentistry

1880-1910

Catheter, steel, with stylet

Surgery

Hydrostatic steelyard balance by Henry Troemner

Weighing & Measuring

1910-1950