Model Engineer Index 1898 to Feb 2025

Year 1941
Date 15-May
Volume 84
Issue 2,088
Page 391
Category Horology
Part
Title The Centenary of the Electric Clock
Author Waring S.Sholl
Notes Workshop of Alexander Bain, 1841 - Bain's first - contact - pendulum, 1843 - Bain's second - electric- moving coil pendulum with "earth" battery, 1843 - Bain's third pendulum; fixed coils, permanent magnet "Bob", 1842 - Hipp's pallet and notch system