General Information

Serial #

N/A

Part Number

5

Total Parts

5

AKA

N/A

Patents

N/A

General Description

Glass bottle with a synthetic cap containg fluid

Dimensions

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

Length

N/A

Width

N/A

Height

N/A

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Exploration and Survey

Category

Measurement-angles

Sub-Category

N/A

Manufacturer

AKA

Unknown

Country

Unknown

State/Province

Unknown

City

Unknown

Context

Country

North America

State/Province

Unknown

Period

Probably used c. 1940's+.

Canada

Used aboard the RCMP Arctic patrol schooner 'St. Rock' (1928-1950). The St. Roch was the first ship to cross the northwest passage from west to east (1942) and back (1944), and the first ship to circumnavigate North America (1950). It was retired in 1958: In 1962 it was declared a National Historic site. (Ref. 2).

Function

For lubricating moving parts on the sextant for smoother operation.

Technical

Sextant used to measure angles between objects, especially celestial objects in relation to the horizon, in order to determine position at sea. Marins sextants are often larger and more solidly made than those used for land surveys; They also are fitted with shades, for sighting the sun. (Expl glossary) This sextant fitted with battery-powered light over vernier, and locking mechanism on index arm.

Area Notes

Unknown

Details

Markings

None apparent

Missing

Appears complete

Finish

Brown bottle with a black synthetic cap containing a fluid.

Decoration

N/A