Tonometer

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OBJECT TYPE
MCLEAN
DATE
1930–1950
ARTIFACT NUMBER
2002.0211.001
MANUFACTURER
MEYROWITZ, E.B. SURGICAL INSTRUMENTS CO.
MODEL
Unknown
LOCATION
New York, New York, United States of America

More Information


General Information

Serial #
N/A
Part Number
1
Total Parts
2
AKA
N/A
Patents
N/A
General Description
Metal with synthetic scale

Dimensions

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

Length
13.2 cm
Width
7.2 cm
Height
1.7 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
MEYROWITZ
Country
United States of America
State/Province
New York
City
New York

Context

Country
Unknown
State/Province
Unknown
Period
Unknown
Canada
PART OF COLLECTION OF MR. JOSEF ELSENER; HE WAS SWISS BORN & TRAINED AS AN ARMOURER, EMIGRATED TO CANADA IN 1952 & BECAME A BUSINESSMAN. HIS COLLECTION OF MORE THAN 1000 PIECES WAS FOCUSED ON FINELY MADE APPARATUS INCLUDING MACHINE TOOLS, SURVEYING EQUIPMENT, MEDICAL APPARATUS & SOME ELECTRICAL TEST & RADIO EQUIPMENT.
Function
INSTRUMENT USED TO MEASURE PRESSURE WITHIN EYE (INTROCULAR) & THUS MEASURE DISTORTION OF CORNEA WHICH AFFECTS VISUAL ACUITY & INDICATES EARLY SIGNS OF GLAUCOMA.
Technical
MCLEAN DIRECT READING TONOMETER WAS DEVELOPED CIRCA 1920 (REF. 2).
Area Notes
Unknown

Details

Markings
.1 BLACK LETTERING ON SCALE FOR 10 TO 130/.2 GOLD LETTERING ON EXTERIOR READS "McLean Tonometer" & ON INSIDE "E.B. MEYROWITZ/ SURGICAL INSTRUMENTS CO./ 520 Fifth Ave. New York/ LIMITS OF NORMAL/ INTRA-OCULAR PRESSURE 22-40 mm Hg."
Missing
APPEARS COMPLETE
Finish
.1 FLAT GREY WITH BRUSHED METAL PARTS, WHITE SCALE/.2 TEXTURED BLACK EXTERIOR; METALLIC HARDWARE; GREEN LINING
Decoration
N/A

CITE THIS OBJECT

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

MEYROWITZ, E.B. SURGICAL INSTRUMENTS CO., Tonometer, circa 1930–1950, Artifact no. 2002.0211, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/2002.0211.001/

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