Browse Items (6 total)

This is a marketing photograph of a late 1960s / early 1970s Digital Equipment Corporation computer module. While no model number is visible, based on labeling and other photographs that accompanied it, it appears to be a PDP-9 A-D Converter Option:…

A photo of a Digital Equipment Corporation wire-wrapped backplane assembly for the PDP-9 computer.

This photograph demonstrates the design philosophy of DEC computer design in the late 1960s and early 1970s: a wire-wrapped (no solder) insulated…

A Digital Equipment Corporation PDP-9 being manufactured/tested within a lab in the Mill complex.

A note states that the gentleman in the right side of the photo is Frank Capone.

The notation at the bottom of the photograph implies that this…

A photo of what is possibly a PDP-9 4K magnetic core memory module / backplane assembly using coincident-current magnetic core memory (see COINC DUAL label)

The top panel shows: DATA ADDRESS Indicators labeled 2048 and 4096
A/B memory sections. …

Photograph showing the inside of several PDP-9 cabinets. The Digital Equipment Corporation's PDP-9, a minicomputer that was introduced in 1966 and used discrete transistor logic.

A marketing/catalog photograph of Digital Equipment Corporation's PDP-9, a minicomputer that was introduced in 1966 and sold about 400 units.