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
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
Unusual Military Pocket Watch stopwatch conversion? Hi Guys hoping you can cast some light I picked up this WW1 stopwatch (artillery timer?) Alexander Son of Coventry were known makers to the Admiralty Army It has the mil issued equipment crows-foot and date Someone pointed out it is an English pocket watch movement that has been adapted as a
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
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 A-8 Bomb timer - NAWCC Forums It's an Elgin grade 582 'Jitterbug' timer Made in 1943, in this case It's not really a stopwatch in the standard sense It runs as long as there's power in the mainspring It uses what are essentially chronograph works to connect the hands to the train It should be running at 30 bps, so that the hand, if it were there, would go around in 10 seconds, and the minute register hand ticks over
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 . . . Under top secret - and highly classified during both world wars and the years in between, the stopwatch dial and movement (a Heuer 601 calibre) were specifically constructed and calibrated by the British (and the French) for the purpose of detecting enemy submarines underwater as a result of the formation (in 1915) of the ASDIC (Allied
Need help Identifying Elgin stopwatch timer | NAWCC Forums Recently acquired an Elgin stopwatch I have never seen before The way the dial is marked it for timing a 5 mile run at between 120 and 500 miles an hour ?? It reaches the 30 mark (times 10=300) on the dial in 1 minute which as it states on the dial if you did a 5 mile run in one minute you