Slide rule

Astronomical slide rule marked "BATE LONDON NO. 133" & "D. THOMSON INVT.". One side marked "LUNAR SIDE", other side marked "TIME SIDE"

Object Details

ID: ZBA0637
Type: Slide rule
Display location: Not on display
Creator: Bate, Robert Brettell
Date made: circa 1830
People: Bate, Robert Brettell; Royal Greenwich Observatory
Credit: National Maritime Museum, Greenwich, London
Measurements: Overall: 7 mm x 940 mm x 48 mm