Artifact Details

Title

Sargeant Richard Haskell at the duplex maintenance console at McGuire Air Force Base

Catalog Number

102724782

Type

Still image

Date

1967

Publisher

McGuire Air Force Base

Description

The donor writes: "Buck Sargeant Richard Haskell at the duplex maintenance console. The Q-7 was a duplex machine with one active computer and the other computer on standby just incase. They were routinely switched at midnight. In my 4 years as a Q-7 tech I remember only one unscheduled switchover. The meter and panel on the left next to the phone is used for marginal checking. The Q-7 used 28,000 vacuum tubes on each duplexed machine. Marginal checking would vary the filament and B+ voltage while running high-use software to detect future failures."

Category

Publicity photograph

Credit

Gift of Richard Haskell

Lot Number

X7852.2017