Horological Times - 1991 - Vol. 15 :: Number of documents found: 2
(11733) Time Locks - 72-Hour E. Howard Timelock Movements and their Variations
- Author: Christianson, David :: 1991-02 Year Vol (No) Month (or Chapter/Auction item): :: Pages: 40-44
- Comments and/or Abstract > article on howard brand bank vault timers
(11734) Sargent & Greenleaf Timelock Movements
- Author: Christianson, David :: 1991-02 Year Vol (No) Month (or Chapter/Auction item): :: Pages: 36-52
- Comments and/or Abstract > Article on Sargent and Greenleaf Timelock Movements