|
 |
 |
 |
 |
|
| Stromberg master clock with wood/brass pendulum, spring rewind every minute. | Stromberg deco style master clock with wood/chrome pendulum, spring rewind every minute. | E. Howard master clock with two jar mercury pendulum, spring rewind every minute. | Self Winding Clock Company of New York master clock with wood/brass pendulum, spring rewind every hour, B style movement. | |
 |
 |
 |
 |
|
| IBM master clock with two glass jar mercury pendulum, weight driven movement with motor wound weights. | Standard electric master clock with chrome/wood pendulum, spring rewind every minute, eyebrow case, pilot clock and progrm tape. | Self Winding Clock Company of New York master clock with two jar mercury pendulum, spring rewind every hour, F style movement. | Self Winding Clock Company of New York military master clock with two weight invar pendulum (all chrome), spring rewind every hour, F style movement. | |
 |
 |
 |
 |
|
| IBM deco case master clock, invar pendulum, weight driven movement with chrome weights. | IBM etched case (ITR)case master clock, invar pendulum with brass weight, spring driven movement with minute wind. | Telechron master clock with multiple synchronous telechron motors | Synchronome movement and 30 second slave/pendulum impulse (click on picture for movement photos) | |
| Click here for more information on the Self Winding Clock company of New York and the Western Union time service. | ||||