Opthalmoscope

Opthalmoscope

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Description
One inscription on this ophthalmoscope reads “PATENTED / JAN. 19, ’04.” Another reads “DE ZENG STANDARD CO. / MAKERS. CAMDEN, N.J.” Henry Lawrence DeZeng (1866-1929) invented several ophthalmological and otolaryngological instruments, and established the De Zeng Standard Co. in 1906. The referenced patent described a “novel means for securing or holding the lenses.”
Ref: Henry L. De Zeng and Philip S. Reid, “Ophthalmoscope,” U.S. Patent 750,099 (Jan. 19, 1904).
Location
Currently not on view
Object Name
ophthalmoscopes
ophthalmoscope
Other Terms
Medicine
date made
1904
maker
DeZeng Standard Co.
place made
United States: New Jersey, Camden
Physical Description
metal (overall material)
plastic (overall material)
felt (overall material)
wood (overall material)
Measurements
overall: 1 in x 4 3/8 in x 2 1/2 in; 2.54 cm x 11.1125 cm x 6.35 cm
ID Number
1978.0235.002
accession number
1978.0235
catalog number
1978.0235.02
See more items in
Medicine and Science: Medicine
Data Source
National Museum of American History
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