General Information

Serial #

N/A

Part Number

1

Total Parts

6

AKA

N/A

Patents

N/A

General Description

Inaccessible

Dimensions

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

Length

43.2 cm

Width

27.9 cm

Height

22.9 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Astronomy

Category

Observation equipment

Sub-Category

N/A

Manufacturer

AKA

VARIOUS

Country

England

State/Province

Unknown

City

London & York

Context

Country

Canada

State/Province

Ontario

Period

These telescope parts presumably used at Dominion Observatory c. 1904-1970.

Canada

All used as parts of the NRC solar telescope.

Function

700212.001 is a doublet objective manufactured by Brashear; 700212.002 is an eyepiece position micrometer manufactured by Warner & Swasey; 700212.003 is a 15" camera manufactured by T. Cooke and Sons Ltd; 700212.004 is an eye piece lens - plane convex with a diameter of about 9mm; 700212.005 is an eye piece lens - cemented (probably Canadian bolsom), double convex with 3 elements.

Technical

Various component pieces of optical telescope(s), possibly the double astrograph (660401), 15 inch telescope (740488), and/or others used at former Dominion Observatory, Ottawa. [original provenance could not be established conclusively at time of cataloguing]

Area Notes

Unknown

Details

Markings

Inaccessible/unknown.

Missing

N/A

Finish

Inaccessible

Decoration

N/A