General Information

Serial #

389293

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

glass shell/ paper label/ lead? shot

Dimensions

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

Length

25.3 cm

Width

N/A

Height

N/A

Thickness

N/A

Weight

N/A

Diameter

1.8 cm

Volume

N/A

Lexicon

Group

Metrology

Category

Specific gravity/density

Sub-Category

N/A

Manufacturer

AKA

TAYLOR

Country

United States of America

State/Province

New York

City

Rochester

Context

Country

Canada

State/Province

Ontario

Period

early 20th century

Canada

This piece of equipment was used at the Chatham Collegiate Institute in Chatham, Ontario, a secondary school which was founded in 1885 and closed in 2003. In 1851 the first school was established in the village of Chatham and by the late 1870's it was called Chatham High School. In 1885 the school attained the status of a collegiate institute, enabling it to obtain larger provincial grants and by 1887 a new school building had been constructed and the CCI was considered to be one of the most outstanding secondary schools in Ontario (it was destroyed by fire in 1946). In 1940 a new building was completed & again was considered to be one of the most modern educational facilities in the province. The school was closed in 2003.

Function

An instrument used to measure the specific gravity of liquids.

Technical

A hydrometer consists of a long slender glass tube, weighted at the lower end and provided with a scale so graduated that the depth to which the instrument sinks in the liquid indicates the specific gravity by direct reading of the scale. A Baume hydrometer has an arbitrary scale with uniform graduations (which must be read using a table) rather than a direct reading scale with scale increments much smaller at the lower end than the upper to indicate actual density. Hydrometers used to measure liquids of the density of water or heavier have scales on which the numbers increases from top to bottom; hydrometers used for liquids lighter than water (as in this case) have scale numbering which decreases from top to bottom (Ref. 5). This Baume & Specific Gravity hydrometer has a spherical bulb and a Baume scale for 100 to 10.

Area Notes

Unknown

Details

Markings

black lettering on scale reading in script "Baume & Specific Gravity Scales for Light Liquids, Temp. 60 [degrees] F." & in print "Taylor - Rochester, N.Y., U.S.A./ black scale markings for 100 to 10

Missing

complete

Finish

colourless, transparent glass/ white label/ grey shot

Decoration

N/A