(Unsurprisingly, Wikipedia has an extensive/hilarious/sad entry on calculator spelling: https://en.m.wikipedia.org/wiki/Calculator_spelling …)
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Replying to @mwichary
Take me down to the arrow key city where the grass is green and directions super precisepic.twitter.com/aC9q7nTj6C
3 replies 5 retweets 35 likes -
Replying to @mwichary
This is… eerie. But it’s (sometimes unfortunate) details like these that help put tech history in context. This machine is from 1981.pic.twitter.com/oEENZGPbtX
2 replies 5 retweets 18 likes -
Replying to @mwichary
The manual with an awkward cover tells us the story of what I guess is the last key ever that’ll be named like this (at least for a while).pic.twitter.com/l0NXaxH7cK
2 replies 1 retweet 7 likes -
Replying to @mwichary
Physical calculators of yesteryear. (A.k.a. Where should we put the zero!?)pic.twitter.com/ZI717JxYWg
2 replies 6 retweets 23 likes -
Replying to @mwichary
BTW This is the proper “touch typing” technique for one of them. I’ll let you figure out which one. ^_^pic.twitter.com/Y2KCaRog8q
1 reply 0 retweets 4 likes -
Replying to @mwichary
But this was my favourite today: IBM Correcting Selectric II from 1973. It has a Backspace in a physical world! Here’s a semi slo-mo video:pic.twitter.com/i9DahJSUvU
1 reply 13 retweets 32 likes -
Replying to @mwichary
You press the special bottom Backspace, and then type the letter again – but that one time a lift-off ribbon will be used to erase it.pic.twitter.com/4766cn6ImO
2 replies 3 retweets 9 likes -
Replying to @mwichary
If you inspect the carbon ribbon and the lift-off ribbon, you can see exactly what you typed/erased. Sometimes that was a security problem.pic.twitter.com/dH71yJaWbZ
1 reply 1 retweet 4 likes -
Replying to @mwichary
Here is a better view of the dual-ribbon setup and the magical (interchangeable) font ball.pic.twitter.com/fhLvSnzS3F
4 replies 1 retweet 6 likes
Here is this machine without its cover and from the bottom. It’s a marvel of engineering. (Also note type balls on the side.)pic.twitter.com/r02qFaeFKY
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Replying to @mwichary
It was this typewriter that Soviets made a… keylogger for to spy on the US, in one of my favourite Cold War stories: http://www.cryptomuseum.com/covert/bugs/selectric/ …
1 reply 5 retweets 8 likes -
Replying to @mwichary
And here is a great video explaining how the Selectric font ball works. It’s a miracle: https://youtu.be/bRCNenhcvpw
1 reply 1 retweet 6 likes - Show replies
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