Drawing instrument set

Drawing instrument set

Pocket set (8 pieces and case)
Ivory rule, silver and steel instruments
Fitted tortoiseshell case
Set is complete and contains:
Compasses: with one point removable and an articulated ink point which can be fitted.
Rule: 4.5" front. Protractor, scales on inches 3/4, 1/2, 1/4 inches. Chords. Back: scales of parts of (?) Diagonal scale.
Pencil
Bows: - small compasses - with ink point. Articulated crayon point or extension to ink point
Adjusting spanner.

Object Details

ID: NAV0656
Type: Drawing instrument set
Display location: Not on display
Creator: Schmalcalder, Charles Augustus
Date made: circa 1825
People: Captain Blythe
Credit: National Maritime Museum, Greenwich, London
Measurements: Overall: 20 x 140 x 50 mm