Overall view
2 Escapements, 2 Timetrains to assure failsafe operation, ie even if one movement would fail one could still open the safe at the set time.
Overall view
Closeup of Left Escapement
Howard Signature, bottom left
Disk for setting opening time
Boston, No. 190, and right side escapement
Back view with two solid mainspringbarrels
Patent Date 1878 on safe opening lever
View from the Top
View between the plates
from top right
View between the plates
from the top
Return to Horology - The Index (Main Page).
This site maintained by the undersigned as a non-commercial, public resource. Suggestions for additions, corrections and improvements welcome.
Click here if you would like to get notified automatically by e-mail when your favorite page in "Horology - The Index" is updated.
.Reproduction of part or all of the contents of any of these pages is prohibited except to the extent permitted below. These pages may be downloaded onto a hard disk or printed for your personal use provided that you include this copyright notice on each copy and that you make no alterations to any of the pages and do not use any of the pages in any other work or publication in whatever medium stored. No part of the "Horology-The Index" pages may be distributed or copied for any commercial purpose.
Copyright Fortunat F. Mueller-Maerki,
Horology - The Index . (You can reach me at
maerki@horology.com)
Comments and additions always welcome. Updated April 4, 1999 ,
(h-howard-bst.html) .
