|
Date: |
|
Description: | BIANCHETTI & CO MARSEILLE
Dry compass
Card: Consists of a paper band attached to a metal circumference and metal centre by fine silk threads. The paper is white with black markings graduated to 1/4 points and quadrantally in degrees. There is also a 0 - 360 degree notation. There is a silver paper centre.
Pivot: Consists only of a thin aluminium "washer" which holds the radial silk threads.
Needle: The eight needles, four sets of two, are thin. They are suspended beneath the card by a different silk thread system to that of the card. Lengths 4", 3.5", 3.0" & 2.5" (10.2 cm, 8.8 cm, 7.6 cm & 6.4 cm)
Inscription.
caption: Record Shot - Do not reproduce. | Publisher: | "http://collections.rmg.co.uk/" | Rights holder: | "Royal Museums Greenwich" | Source: | Royal Museums Greenwich | Identifier: | http://collections.rmg.co.uk/collections... | Go to resource |
|
More Like this...
-
-
-
-
-
-
-
-
-
-
Dry compass
GEORG HECHLEMANN. Nachf. HAMBURG Vorsetzen…
|