S. R. C. Malin

A1 (1) charts (1) Chronometers (2) clocks (1) Edmond Halley (1656-1742) (1) Europe Social conditions 20th century (1) geography (2) Great Britain (1) Greenwich (1) Greenwich Meridian (1) John Flamsteed 1646–1719 (1) John Harrison 1693-1776 (1) latitude (1) longitude (1) maps (1) measurement (1) Nevil Maskelyne 1732–1811 (1) octant (1) Off6File1 (1) Ordnance Survey (1) owned-paper (1) railway time (1) time (2) time at sea (1) time standards (1) Time Zero (1) timeball (1) timekeeping (1) to-read-owned (1) transit circle (1)