Another Visit to The Computer Museum at System Source in Baltimore MD.

On July 10, 2021, I visited the Computer Museum at System Source in Baltimore MD as part of the Vintage Computer Federation (VCF) Repair Workshop. I also visited the museum in 2020.

Warning: Image heavy page ahead!

Some big Univac iron!

Just in love with the color and aesthetics of the DEC PDP series! More systems need big chunky toggle switches. Pictured front panels of a DEC PDP8/e, PDP11/70, PDP-12, and datasystem 570.

The 1977 trinity computers: Apple II, TRS-80, Commodore PET 2001.

An original Apple I (serial number 10)!

Three different early video phones.

The Apple section, from the Apple II and beyond. Including some NeXT systems.

The early Apple iMac and iBook phase.

Some more unusual Apple items. Network Server 500/132, PowerMac G3 “molar,” and 20th Anniversary.

A working phone booth! It takes forever to dial numbers on rotary


Portables and handhelds!

A very early Lisa 1 with two Twiggy drives! @compu_85 and @crtdude are working on this and you can follow their progress at this thread.

Lots of big IBM iron there as well. Check out this IBM 519 Reproducing Punch. It was programmed using these plugboards which controlled the behavior of the machine, sort of like modular synthesizers today.

See something you remember? Let me know in the comments!

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