davefischer,
@davefischer@hachyderm.io avatar

This is the best photo of magnetic core memory I've ever taken. IBM, early 60s. Shot with a microscope lens mounted on a 35mm B&W digital camera. No post! (I got into the habit of never doing any post-processing while documenting historic artifacts for the museum. Photoshop not allowed!) #retrocomputing #photography #rcsri

I used this shot for the cover of my book of images from our museum:

https://www.amazon.com/Inside-Machines-Dave-Fischer/dp/B09X557N52

simon_brooke,
@simon_brooke@mastodon.scot avatar

@davefischer I have been told that a machine for weaving these memory panels was never successfully completed, and that all core storage panels were woven by hand, mostly by children in far-east sweatshops.

As you know, the toroids in some of the later panels are tiny and the density is extremely high, so it's startling that it is even possible to assemble them by hand.

thefwguy,

@simon_brooke @davefischer Years ago a guy prepared a kit to build a small magnetic core memory as as Arduino hat (https://www.tindie.com/products/kilpelaj/core-memory-shield-for-arduino/). I did buy the kit .. is still sealed in the box waiting for me to have time to play with :( darn ...

jake4480,
@jake4480@c.im avatar

@davefischer 🤯 SO cool!!

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