Astrolabe Catalogue

 

Date 1925
Maker Charles Frewen Jenkin
Place Oxford
Material Aluminium
Inventory no. 41427
Acquisition Presented by C. F. Jenkin in 1925

Throne

The throne is of the simple type made of paper . The throne is attached with a integrated base. The throne is merely the extension of the paper that forms the 'plate'. Markings:
Content Translation Notes Type
The Oxford Astrolabe Designed after the Persian, Moorish and European Instruments in the Old Ashmolean Museum, Oxford Hipparchus inv. B.C. 150. Jenkin del. et fec. A.D. 1925 Maker's signature


Ring

The ring is of the simple, round cross-section type (i.e. simple plain ring made from a round rod or piece of metal) made of steel. This ring is just a small keyring

Shackle

Shackle of the other type (i.e. unusual or unique shackle)made of steel. The shackle is a paperclip.

Mater

The mater and limb are of one-piece construction. The limb is made of paper pasted to the aluminium mater. Scales on the limb:
Type Range & Units Numbered Geometry Location
Equal hours 1 - 12 Times of day Every 1 hours Circular, concentric outer
Degree 0 - 90 Degrees Every 10 degrees Circular, concentric None

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