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The 7B53AN is electrically identical to he 7B53A but omits the circuits needed to drive the alphanumeric | The 7B53AN is electrically identical to he 7B53A but omits the circuits needed to drive the alphanumeric | ||
readout system provided in 7000-series mainframes. | readout system provided in 7000-series mainframes. The '''TD-1085/U''' is a military designation for the | ||
7B53AN11 which was used in the [[AN/USM-281C]] military version of the [[7603]] scope. | |||
There does not appear to have been a product sold called simply "7B53". | There does not appear to have been a product sold called simply "7B53". |