New airspeed markings are added on each as required by hand with transfer 
tapes at Winter per the aircraft manufactures specifications or custom to 
the buyers request.
tim
Wings & Wheels
www.wingsandwheels.com
"5Z"  wrote in message 
  ups.com...
 On Dec 8, 11:01 am, "Paul Remde" wrote:
 ...and the stand on which they adjust altimeters.
 All the airspeed indicators on the test stand have no markings, and it
 looks like the technician is using a grease pencil to add a marking.
 So I'd wager a guess that each airspeed indicator has a custom face to
 correspond to the variances in the mechanisms.
 -Tom