The Mid-Atlantic Retro Computing Hobbyist (MARCH) group is at HOPE X displaying a chronology of Apple computers, everything from an accurate Apple 1 reproduction all the way way up to an Apple Macintosh, and of course including all the II’s in between. Although they are only displaying Apples at this event, don’t confuse them for an Apple group. They love all types of vintage computers from the 1940’s to the 80’s.
[Evan], president of the group, elegantly explained why they are here; “to let people know that vintage computing is a thing and there are people in the area that do that thing”. He would like to encourage everyone who is mildly interested in retro computing to contact their local retro computer group and get involved in the community.
The group also puts on a yearly Vintage Computer Festival in New Jersey. This year’s event has already passed but you can still see what happened as Hackaday was there documenting all the cool stuff.
Last weekend’s Maker Faire wasn’t only about the latest and greatest. Some of the groups there brought up the latest and greatest from earlier eras. InfoAge is a historical science and technology learning center based out of the former Camp Evans in Wall, New Jersey, and they really know how to put on a show using old technology.
I made it to two booths at Maker Faire claimed by members or associates of InfoAge. First up is the booth from MARCH, the Mid-Atlantic Retro Computing Hobbyists. They’ve got a PDP-8, a PDP-11/20, a few VAXxen, IBM mainframes, entire kilobytes of core memory, and enough C64s, TRS-80s, Commodore PETs, teletypes, and punch cards to get to the moon several times over.
The feature of MARCH’s booth was a nearly 100% accurate Apple I reproduction. Yes, the same computer built by hand by [the Steves] who later went on to found Apple Computers. In the video (above, and after the break), a MARCH member demonstrates booting BASIC from a cassette interface with the help of an iPod and typing in a simple program.
Next up are the guys from the radio technology museum at InfoAge. They decided to celebrate the 100th anniversary of [Edwin Armstrong]’s invention of the regenerative radio receiver.
The regenerative radio receiver is an extremely simple device; it can be built out of baling wire and some variants use only one tube. In the video, [Al] shows off his recreation of a regenerative receiver with fancy olde tymie components that include a variable capacitor and a B cell battery (it’s a recreation using a bunch of 9 Volts, but yes, B batteries do exist).
It goes without saying that InfoAge is really cool, and certainly worth the visit if you’re ever in the area. Bonus: it’s only 20 miles away from where [Penzias] and [Wilson] earned their Nobel Prize for discovering the Big Bang.
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