Ophthalmoscope

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Ingenium, 1995.0874.001
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OBJECT TYPE
ELECTRIC
DATE
1930
ARTIFACT NUMBER
1995.0874.001
MANUFACTURER
American Optical Co.
MODEL
MAY
LOCATION
United States of America

More Information


General Information

Serial #
115
Part Number
1
Total Parts
1
AKA
N/A
Patents
N/A
General Description
METAL, GLASS, POSSIBLY LACQUERED LEATHER COVERING HANDLE, CORD, PLASTIC SWITCH, RUBBER COVERING WIRES, PLUG COPPER

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length
23.0 cm
Width
10.0 cm
Height
4.0 cm
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Medical Technology
Category
Instruments
Sub-Category
N/A

Manufacturer

AKA
American Optical
Country
United States of America
State/Province
Unknown
City
Unknown

Context

Country
United States of America
State/Province
Unknown
Period
C.1930
Canada
Unknown
Function
AN INSTRUMENT CONSISTING OF LENSES, A LIGHT SOURCE & A PIERCED CONCAVE MIRROR, THAT REFLECTS LIGHT THROUGH THE PUPIL. THIS ALLOWS THE OPHTHAMOLOGIST TO INSPECT THE INTERIOR OF THE EYE (REF.1).
Technical
ACCORDING TO LETTER IN SUPP.INFO. (REF.2) THIS WAS PROBABLY THE FIRST OF THE ELECTRIC TYPES, & THE ONLY TYPE MADE WITH THE TRANSFORMER IN THE HANDLE.
Area Notes
Unknown

Details

Markings
ETCHED ON SURFACE 'NO.115/ MAY OPHTHALMOSCOPE/ AMERICAN OPTICAL CO./ U.S.A.'/ ETCHED IN WHITE '+' & IN RED '-'/ INNER DISKS HAVE NUMBERS ETCHED ON SURFACE/ ON BACK IS ETCHED 'T.M. REG. U.S. PAT. OFF./ U.S. PAT. 1767266/ MADE IN U.S.A.'/ EMBOSSED ON CORD SWITCH: 'UL/ H&H/ 1-A.250-V./ 3-A.125-V/ MADE IN U.S.A.'
Missing
NONE
Finish
METAL PAINTED BLACK, CHROME PLATED FITTING CONNECTINGHEAD TO HANDLE, DULLED SILVER-COLOURED METAL GRIPS AROUND HANDLE; LEATHER HANDLE STAINED BLACK & LACQUERED. CORD IS BROWN RUBBER, SWITCH BROWN PLASTIC, PLUG PRONGS COPPER
Decoration
N/A

CITE THIS OBJECT

If you choose to share our information about this collection object, please cite:

American Optical Co., Ophthalmoscope, after 1930, Artifact no. 1995.0874, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1995.0874.001/

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