Ophthalmoscope

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Ingenium, 2002.0429.001
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OBJECT TYPE: Ophthalmology
DATE: 1940–1950
ARTIFACT NUMBER: 2002.0429.001

MANUFACTURER: Hamblin, Theodore
MODEL: Unknown
LOCATION: London, England

More Information

General Information

Serial #: N/A
Part Number: 1
Total Parts: 9
AKA: eye scope
Patents: N/A
General Description: Metal casing; glass optics.

Dimensions

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

Length: 14.0 cm
Width: N/A
Height: N/A
Thickness: N/A
Weight: N/A
Diameter: 4.1 cm
Volume: N/A

Lexicon

Group: Medical Technology
Category: Instruments
Sub-Category: N/A

Manufacturer

AKA: Hamblin
Country: England
State/Province: Unknown
City: London

Context

Country: Canada
State/Province: Nova Scotia
Period: Used in mid 20th c.
Canada: PART OF A LARGE COLLECTION OF MEDICAL ARTIFACTS, ARCHIVAL MATERIAL & TRADE LITERATURE TRANSFERRED FROM UNIVERSITY HEALTH NETWORK. Originally owned & used by Dr. Tom P. Morley.
Function: Used by physician to observe subject's eye at varying depths and magnifications.
Technical: Direct type hand -held instrument, with a battery powered light source and rotating disc of lenses permits observation of the eye at various depths and magnifications, and illumination of otherwise invisible tissues. Hundreds of designs exist, but 3 elements are essential: a source of illumination; a method of reflecting the light into the eye; and an optical means of correcting an unsharp image of the fundus. The ophthalmoscope was introduced in the 1850s, and quickly became a staple instrument of the optometrist.
Area Notes: Unknown

Details

Markings: "HAMBLIN 495/ [498 ?]" incised in instrument casing. "OFF" incised on one end of sliding control. "T. P. MORLEY" printed by hand on tape label applied to instrument back. "1998.10.1" printed by hand in white ink on lower edge of casing. All three adjustment discs bear markings.
Missing: Appears complete.
Finish: Flat black enamel finish applied to most external surfaces. Silver metal disc and collar on light source body tube; silver metal post on on/off control. Red, white and black markings on adjustable discs. Buff-colour adhesive tape label applied to back.
Decoration: N/A

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

Hamblin, Theodore, Ophthalmoscope, circa 1940–1950, Artifact no. 2002.0429, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/item/2002.0429.001/

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