Tonometer
Use this image
Can I reuse this image without permission? Yes
Object images on the Ingenium Collection’s portal have the following Creative Commons license:
Copyright Ingenium / CC BY-NC-ND (Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)
ATTRIBUTE THIS IMAGE
Ingenium,
2002.0211.001
Permalink:
Ingenium is releasing this image under the Creative Commons licensing framework, and encourages downloading and reuse for non-commercial purposes. Please acknowledge Ingenium and cite the artifact number.
DOWNLOAD IMAGEPURCHASE THIS IMAGE
This image is free for non-commercial use.
For commercial use, please consult our Reproduction Fees and contact us to purchase the image.
- 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/
FEEDBACK
Submit a question or comment about this artifact.