Receiver unit from the ENIAC computer, 1943-1945
1943-1945
Brass hydrometer set
1810-1830
Brooks variable self and mutual inductor 90691
Stormer viscometer by Arthur H. Thomas Co.
circa 1928
Silver bleeding bowl
1765-1775
Skull saw
1801-1900
Catheter, steel, with stylet
Two packets of 6 "Revelation" inverted cone plain cut burs for straight handpiece
1950-1965
Bottle of Muco-Seal denture fixative powder
1950-1965
Bottle of "Muco-Seal" impression compound sealant
1950-1965
Dental stopper
1862-1868
Double ended gold file
1880-1920
Chevalier Jackson-type aspirating bronchoscopes
1920-1950
Haemacytometer, Philadelphia, United States, 1900-1980
1900-1980
Barrett Desk adding listing machine
1930-1939
Combined eidograph and geometric drawing instrument patented 1858 by William Wythes and made by Queen & Co.
1858-1880
Demonstration microscope by R. & J. Beck
1871-1880
Botanic microscope (for dissection) in wooden case
1871-1890
Compound monocular microscope by R. & J. Beck
1875-1880
Compound monocular microscope by Sidle and Poalk
1871-1900
Sorby microspectroscope in case
1871-1900
Accu-Lok radiosonde. For NOAA - National Service, US Dept. of Commerce.
Accu-Lok radiosonde. For NOAA - National Service, US Dept. of Commerce.
Letter from George Washington to his dentist, United States, 1795
1795
Sewing machine, head of a treadle, button-hole type
1868
Hydraulic dental chair, Philadelphia, United States, 1925-1935
1925-1935
Membership card of the Franklin Institute of Philadelphia
1981
Bilgram Automatic Bevel Gear Cutter
circa 1900
Monocular polarising microscope by R & J Beck
The New Aerial Puff Cake
1785-1820
Transit compass
1840-1842
Chemist's Scale
1890-1910
Bottle of silicate cement powder
1950-1965
Packet of "Tempryte" steel polishing strips
1955-1970
Shade guide for S.S. White porcelain teeth
1922
7 sets of 4 porcelain posterior crowns on card
1905-1925
Packet of "Moyco" finishing strips by the J. Bird Moyer Co.
1965-1975
dental excavator
1880-1910
Doriot No. 4 handpiece
1917-1930
Boxed shade guide for S.S. White porcelain
1917-1935
Breast pump in case
1851-1900
X-ray tube with separate anode and automatic potash-type vacuum regulator
1897-1899
Atomiser, made by Whitall Tatum Company
Accu-Lok radiosonde. For NOAA - National Service, US Dept. of Commerce.
Lo-cate Microsonde, model 1524-511, serial No. 5376, including sensors
Hydrostatic steelyard balance by Henry Troemner
1910-1950
General Foods Profit Calculator
1940-1941
Thermocouple calculator with centigrade to Fahreheit converter by Leeds Northrup
1952-1960
Demonstration microscope by Acme Optical Works
1873-1900
Compound monocular microscope with radial substage
1880-1870