Waltham STOP watch. Any ideas?? | NAWCC Forums
Sep 22, 2012 · 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 …
American Stopwatch Thread- show us your American stopwatches and …
Dec 12, 2024 · 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 …
Elgin Jitterbugs - NAWCC Forums
Feb 28, 2012 · 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 …
Can anyone identify this timer/stopwatch? Could it possibly date from ...
May 9, 2024 · 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 …
Meylan Stopwatch Corp.? - NAWCC Forums
Jun 28, 2021 · 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 …
Wright Bros 'Flyer' "The Sun" stopwatch from the National Air and …
Dec 4, 2022 · 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 …
HOW A PENDULUM CLOCK WORKS - NAWCC Forums
Jan 21, 2015 · 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 …
The Heuer 601/604 Calibre – The stopwatch movement that influenced ...
Mar 24, 2025 · 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 …
Heuer Anti Submarine Detection Investigation Committee (ASDIC ...
May 30, 2025 · With the stopwatch examples that have the 601/604 movement and the 1/100 second speed (the Mikrograph, the Mikrosplit, the Anti-Submarine A.P.6 and the Chronoscope) even though …
Lemania stopwatch - NAWCC Forums
Nov 11, 2006 · I recently bought this Lemania stopwatch. Center is a split-second (rattrapante) timer controlled by the pusher to the left of the crown. The upper register counts up the minutes. Pushing …