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

baldwin locomotive bell

Locomotives and Rolling Stock Components

1880

Tinfoil phonograph, made by Brehmer Bros., Philade

Sound Reproduction

1880

Chevalier Jackson-type aspirating bronchoscopes

Clinical Diagnosis

1920-1950

baldwin locomotive worksplate

Locomotives and Rolling Stock Components

1917

Monocular polarising microscope by R & J Beck, Lon

Microscopes

Doriot No. 4 handpiece, vulcanite and nickel plate

Dentistry

1917-1930

Patent model of orrery planetary mechanism, 1865

Astronomy

1865

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

Microscopy (Wellcome)

1871-1880

Lo-cate radiosonde, Serial No. 905-8872

Meteorology

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

Meteorology

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

Meteorology

Weights from the Castlereagh Collection for Philadelphia (USA)

Weighing & Measuring

1800-1818

Breast pump

Nursing & Hospital Furnishings

1851-1900

Thermocouple calculator with centigrade to Fahrehe

Mathematics

1952-1960

Atomiser, made by Whitall Tatum Company, in box, U

Therapeutics

Brooks variable self and mutual inductor 90691, se

Electricity and Magnetism

Shade guide for S.S. White porcelain teeth, nickel

Dentistry

1922

Tinfoil phonograph, 1880

Sound Reproduction

1880

Two packets of 6 "Revelation" inverted cone plain

Dentistry

1950-1965

Compound monocular microscope with radial substage

Microscopy (Wellcome)

1880-1870

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

Microscopy (Wellcome)

1875-1880

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

Meteorology

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

Meteorology

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

Dentistry

1905-1925

Packet of "Tempryte" steel polishing strips, by St

Dentistry

1955-1970

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

Meteorology

Botanic microscope (for dissection) in wooden case

Microscopy (Wellcome)

1871-1890

Transit compass, signed by Blydenburgh and Giles o

Surveying

1840-1842

7 sets of 4 porcelain posterior crowns on card, by

Dentistry

1905-1925

Bottle of "Muco-Seal" impression compound sealant,

Dentistry

1950-1965

Demonstration microscope by Acme Optical Works, Ph

Microscopy (Wellcome)

1873-1900

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

Textiles Machinery

1868

Brass hydrometer set, Dicas type, serial no 1163,

Experimental Chemistry

1810-1830

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

Dentistry

1965-1975

Bottle of Muco-Seal denture fixative powder, by H.

Dentistry

1950-1965

Tinfoil sheets for tinfoil phonograph,1880

Sound Reproduction

1880

Skull saw

Surgery

1801-1900

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

Meteorology

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

Meteorology

General Foods Profit Calculator, cardboard slide r

Mathematics

1940-1941

Catheter

Surgery

dental excavator, No.11, nickle plated steel, USA,

Dentistry

1880-1910

Metal, phoro-optometer (head only) combines a brac

Ophthalmology

1914-1940

Oliver test types in holder, made by J. W. Queen and Co.

Ophthalmology

1940-1970

Dental stopper, no.6, steel, made for S.S. White b

Dentistry

1862-1868

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

Microscopy (Wellcome)

1871-1900