Holder, lens

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Ingenium, 1966.0401.005
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OBJECT TYPE: N/A
DATE: Unknown
ARTIFACT NUMBER: 1966.0401.005

MANUFACTURER: Unknown
MODEL: Home built
LOCATION: Unknown

More Information

General Information

Serial #: N/A
Part Number: 5
Total Parts: 6
AKA: N/A
Patents: N/A
General Description: Brass

Dimensions

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

Length: 3.4 cm
Width: 3.9 cm
Height: 5.4 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: Unknown
Country: Unknown
State/Province: Unknown
City: Unknown

Context

Country: Canada
State/Province: Ontario
Period: UP TO 1970
Canada: USED AT THE DOMINION OBSERVATORY; BUILT SEPARATE BUILDING AT DOMINION OBSERVATORY JUST FOR ASTRONOMICALPHOTOGRAPHY.
Function: FOR OBSERVING & PHOTOGRAPHING CELESTIAL OBJECTS & PHENOMENON, photometric astronomy.
Technical: COMBINES TWO TELESCOPES ON A SINGLE BASE; DRIVE HAS ORIGINAL CENTRIFUGAL GOVERNOR; 8-INCH DOUBLET WITH 40-INCH FOCAL LENGTH with 6-inch doublet, 3.3-inch Zeiss-Tessar lens, and 4.5-inch guide scope.
Area Notes: Unknown

Details

Markings: Handwritten print inside the cylinder "CSTM Part to hold a lense./ reproduction".
Missing: UNKNOWN. From CA of 11/07/2001 by Matthew Bruce: Yes - missing small items such as name plate, misc. screws, etc.
Finish: Brass (non-ferrous) machined cylinder.
Decoration: N/A

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Unknown Manufacturer, Holder, lens, Unknown Date, Artifact no. 1966.0401, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/item/1966.0401.005/

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