MIL-D-3898/6 Complete Document History
Drafting Machine and Scales, Range-Time-Speed Plotting Scale 25,000:1 and 50,000:1 Yards Ratio

Complete Current Edition:
   BASE - DRAFTING MACHINE & SCALES, RAN - April 11, 1985
   VALIDATION NOTICE 1 - VALIDATION NOTICE 1 FOR BASE - June 7, 1991
   REINSTATEMENT NOTICE 3 - REINSTATEMENT NOTICE 3 FOR BASE - Oct. 15, 2007
   VALIDATION NOTICE 4 - VALIDATION NOTICE 4 FOR BASE - July 24, 2012

Obsolete Revision Information:
   CANCELLATION NOTICE 2 - CANCELLATION NOTICE 2 FOR BASE - Nov. 5, 1998