MIL-W-3459D, MILITARY SPECIFICATION: WIPERS, WINDOW, ELECTRIC, PENDULUM TYPE (MARINE SERVICE, HEAVY DUTY) (18-APR-1990) [S/S BY MIL-DTL-3459E]

MIL-W-3459D, MILITARY SPECIFICATION: WIPERS, WINDOW, ELECTRIC, PENDULUM TYPE (MARINE SERVICE, HEAVY DUTY) (18-APR-1990) [S/S BY MIL-DTL-3459E].,This specification covers the general requirements for the design and construction of single or multiblade electric window wipers for surface ships.