General Information

Serial #

37538

Part Number

1

Total Parts

8

AKA

N/A

Patents

N/A

General Description

Metal body and base/ glass optical elements/ mirror

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

14.0 cm

Height

31.0 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Agriculture

Category

Research

Sub-Category

N/A

Manufacturer

AKA

Zeiss

Country

Unknown

State/Province

Unknown

City

Unknown

Context

Country

Canada

State/Province

Unknown

Period

Unknown

Canada

Instrument used by Canadian Food Inspection Agency, Agriculture Canada. The lot with which this refractometer arrived contained tomato juice testing equipment, which was designed to pinpoint the colour of the juice based on benchmark colour charts. However, refractometers could be used to test a number of things, including, for instance, honey, grape juice, wine, and maple syrup.

Function

Instrument used to determine the mean dispersion of liquid bodies and the reflective index of substances, which is a valuable factor in testing their purity.

Technical

Refractometers are one of the tools used to grade and classifying various edible liquids. Before refractometers were commonly used, many liquids were graded using a scale based on colour comparison. Refractometer made by German optical instrument Mfr. Carl Zeiss. Type used extensively in chemical and physical laboratories, as well as distilling, sugar, paint & oil industries etc . . .

Area Notes

Unknown

Details

Markings

Incised lettering on tube reads: "CARL ZEISS/ JENA/ Nr. 37538/ Germany"/ Incised white scale markings and numbers/ Hand engraved at base reads: "063467"

Missing

N/A

Finish

Black enamel body/ Polished metal eyepiece and dials

Decoration

N/A