Drawing instrument set

Drawing instrument: 7 brass and steel instrument set, held in a fitted mahogany box with a tray insert, comprising
2 pairs of dividers (brass and steel), each with a removable arm
2 pen attachments
1 pencil attachment
1 extension arm
1 knife (with ivory handle)
1 rolling parallel rule/protractor (ivory and brass)
1 protractor/rule (ivory), inscribed 'THOMAS JONES CHARING CROSS'

Object Details

ID: NAV0660
Type: Drawing instrument set
Display location: Display - Pacific Encounters Gallery
Creator: Somerscales, Thomas Jacques; Jones, Thomas
Date made: circa 1835
Credit: National Maritime Museum, Greenwich, London. Caird Fund.
Measurements: Overall: 36 mm x 186 mm x 10 mm
Parts: Drawing instrument set