Signedunsigned
Inscribedon a piece of glued paper: Presented to / David Newton / At the Retirement of the / Brighton D-1000 / Brighton, Mass. / November 24, 1966
on the same piece of paper: Finke
engraved on the device, front: 11 213
on one side: D-249-257 REV 2 / H.S. GATE AMPL.
on the other side: D 8691449-21
Historical AttributesThe D-1000 from which came this circuit board was decommissioned in 1966.