- Waltham STOP watch. Any ideas?? | NAWCC Forums
You have a Waltham Model 11609 , Type A, No 105 timer stopwatch The large hand measures seconds in 1 5 sec increments and the small hand measures minutes up to 30 min This is one of many stop watch variations made by Waltham Info from Military Timepieces by Whitney As to exactly what it was used for, no idea
- Meylan Stopwatch Corp. ? | NAWCC Forums
I just acquired another MEYLAN stopwatch at a small antique mall in Ferdinand, IN for five bucks, just seemed like to good of a deal to pass up It was wound “tight” and did not want to tick, but I purchased it anyway as I thought to myself, “Self, since the American Olympic trials in swimming
- American Stopwatch Thread- show us your American stopwatches and timers . . .
Pastor Football Basketball timer by Ingraham, and Josten Sports Timer by New Haven (see also the Lawson timer by New Haven in post #2 American Stopwatch Thread- show us your American stopwatches and timers! Unless otherwise noted, any photographs and images in this post are owned by the poster and should not be used without permission
- Can anyone identify this timer stopwatch? Could it possibly date from . . .
I'm really intrigued about this pocket watch timer (see attachments) - I suspect it was made pre-1880 due to the fact that it has the words "Fine Silver" on the inside of the case and that the Crown is in the sidewinder position I'm thinking it may even date back to the 1860s? It has the
- Elgin Jitterbugs - NAWCC Forums
The timer was also used as an instrument tool while firing ordinance By watching down-range, and knowing the muzzle velocity of the ordinance being fired, accurate distance and site adjustment can be calculated based on elapsed time determined to within fractions of a second
- Wright Bros Flyer The Sun stopwatch from the National Air and Space . . .
The stopwatch that was used aboard the Wright Brothers 'Flyer' is on display at the National Air and Space Museum in Washington DC while the other one is located at Gallet HQ in Switzerland Link to the Wright Bros stopwatch at the National Air and Space Museum at the Smithsonian:
- HOW A PENDULUM CLOCK WORKS - NAWCC Forums
The purpose of the gear train is to convert the slow rotation of the main wheel into the faster rotation needed to tell the time Each wheel in the train turns faster than the previous one Left to its own devices, the gear train would whiz along like a buzz saw, and would run down in a few seconds What regulates its speed instead is called the escapement The escapement has two parts The
- The Heuer 601 604 Calibre – The stopwatch movement that influenced . . .
The exchange parts diagram you showed is an in-house Heuer publication referring to Timers as 601 and 604 The balance wheel in these timers are smaller due to the faster speeds (1 100 second and 1 50 second) The following publication image from a 1942 catalogue publication in Germany by Georg Jacob is not from Heuer but he refers to the following chronograph (not timer) movement as a Heuer
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