compass, amplitude

In square wooden box. Graduated quadrantally in degrees from the E & W point for observing amplitude and marked in 32 points.

Object Details

ID: NAV0277
Type: compass, amplitude
Display location: Not on display
Creator: Unknown
Date made: circa 1720
People: Kennedy, J R
Credit: National Maritime Museum, Greenwich, London
Measurements: Overall: 176 mm x 325 mm x 304 mm