General Information

Serial #

73-3753

Part Number

1

Total Parts

7

AKA

N/A

Patents

N/A

General Description

.1-.6 METAL/.7 SYNTHETIC WITH PLASTIC INSERT, FOAM PADDING, METAL HARDWARE

Dimensions

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

Length

15.3 cm

Width

10.3 cm

Height

2.4 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

SKLAR

Country

Unknown

State/Province

Unknown

City

Unknown

Context

Country

Unknown

State/Province

Unknown

Period

Unknown

Canada

PART OF COLLECTION OF MR. JOSEF ELSENER; HE WAS SWISS BORN & TRAINED AS ARMOURER, EMIGRATED TO CANADA IN 1952 & BECAME 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

SCHIOTZ DEVELOPED HIS VERSION OF TONOMETER BETWEEN 1905 & 1911; IT BECAME IMMEDIATED FAVOURITE & REMAINED SO TO END OF CENTURY & BEYOND. INTRA-OCULAR PRESSURE WASMEASURED BY DEPRESSION MADE ON ANESTHESIZED CORNEA MADE BY WEIGHTED SHAFT (REF. 2).

Area Notes

Unknown

Details

Markings

.1 INCISED LETTERING READING "SKLAR", "5", "73-3753", "U.S. PAT. 3266301"/.INCISED LETTERING READING:.2 "7.5",.3 "5.5",.4 "10",.5 "15"/.7 GOLD LETTERING ON EXTERIOR READS "A/ SKLAR/ PRODUCT [LOGO]" & "SCHIOETZ TONOMETER"

Missing

APPEARS COMPLETE

Finish

.1 METALLIC GREY, PLATED PARTS, BLUE SCALE/.2-.6 PLATED METAL/.7 TEXTURED BLUE EXTERIOR, WHITE INSERT, GREEN PADDING, BLACK RIBBON

Decoration

N/A