3 ms·
Many descriptions of old systems here: https://boards.straightdope.com/t/how-did-libraries-keep-track-of-who-borrowed-what-before-computers/159488/22 https://bo
by lazyasciiart 4y ago
Many descriptions of old systems here: https://boards.straightdope.com/t/how-did-libraries-keep-track-of-who-borrowed-what-before-computers/159488/22 https://boards.straightdope.com/t/how-did-libraries-keep-tra...