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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