Drawing instrument set

Fitted wooden case containing 15 pieces in steel & bone.
4.0" Bone pen handle
6.5" Bone sector
6.0" Bone parallel ruler
6.0" Bone protractor
5.75" Pen with articulated head, bone handle
5.0" Pen, bone handle
5.0" Compass extension arm, steel
3.5" Divider extension arm, steel
4.0" Pen compass, articulated arms, steel
3.5" Pencil compass, steel
3.5" Pen compass, steel
3.25" Pen adapter for compass
6.0" Compass, steel
5.25" Dividers, steel

1 steel key for compass joints

Object Details

ID: NAV0668
Type: Drawing instrument set
Display location: Not on display
Creator: Unknown
Date made: circa 1900
People: Dobson, F
Credit: National Maritime Museum, Greenwich, London
Measurements: 51 mm x 198 mm x 133 mm