Model Engineer Index 1898 to Feb 2025

Year 1929
Date 04-Jul
Volume 61
Issue 1,469
Page 3
Category Horology
Part
Title A Locking Frame Calendar
Author Dr. Bradbury Winter
Notes In its case, lever in normal or vertical position, pulled into "over" position, back view, part of interlocking gear, showing how bell rings when setting of calendar has been forgotten, catch weight