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  • Can anyone identify this timer stopwatch? Could it possibly date from . . .
    Hence a stopwatch marked Lund Brothers and made by a Geneve maker seems to fit the above About the patent: the only way to know if the patent corresponds, is to demount the stopwatch and look under the dial The position of the crown in the patent drawings is only representative, as it is not part of the patent itself Ciao View attachment 867140
  • Need help Identifying Elgin stopwatch timer | NAWCC Forums
    I would say it is an aircraft timer of some sort Your math is close but this measures knots not MPH so the 12 (120) would be 138 mph and change and the 50 (500) would be 575 and change
  • American Stopwatch Thread- show us your American . . . - NAWCC Forums
    The 10 second A-8 ground speed timer beats 40 times second This 6 second timer either beats at a faster rate (50 beats sec) or the gear train is modified so that the second sweep hand will complete one full revolution in 6 seconds The stopwatch measures half the speed of sound in seawater in seconds
  • Anti-submarine stopwatch? - NAWCC Forums
    This little beauty recently came into the shop for repair, as far as I can make out its an Anti-submarine stopwatch Under the serial number database its described as a military timer I have a couple of technical queries; First the balance is running at a very fast rate, at first glance
  • O. K. I Believe This One is a Very Unusual Gallet Stopwatch Timer
    Last week I posted a photo of what I thought may be a very unusual vintage Gallet Timer It was an "Hour Decimal" stopwatch that a full revolution of the sweep hand takes only 36 seconds [Representing one hundredth [ 010] of an hour [Or, 6 10 ( 6) of a minute] It's sub dial is divided
  • Meylan Stopwatch Corp. ? - NAWCC Forums
    Here are a couple of pics, the movement serial number is 4,118,152 and I am also showing the stamp on the inside of the case back This case back at least snapped back reasonably easy, unlike the timer I bought two years ago in which I still have not secured the case back Anyone out there had luck correcting hair Springs like this?
  • Elgin A-8 Bomb timer - NAWCC Forums
    It is actually a ground navigation timer not a bomb timer When flying over the ground you would start the timer at a known landmark then stop it at another some distance away You can determine your ground speed that way I have two A-8's One was my father in laws who was an aircraft navigator and retired as a ltcol from the Air Force
  • Camero Timer (Stopwatch) Swiss made? - NAWCC Forums
    I have this 30-second Swiss timer that has Lean Jones Inc on the case and movement Does anyone have an instruction manual or original box for such a watch? The plastic crystal has a blue tint to it, is this common Thanks, Brad Maisto, KY Floral #44 Secretary P S Does anyone know about when these were produced or sold to the public?
  • 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
  • Wright Bros Flyer The Sun stopwatch from the . . . - NAWCC Forums
    The serial number of this Jerome Park stopwatch is 151*** and on the movement it has the words "PAT APLD FOR" which suggests that the date for the manufacture of this particular stopwatch or Horse Timer is in 1891 Below is the Swiss patent No 3071 granted on 30th January 1891 to Ferdinand Bourquin





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