![Magnetic Drum Memory, c. 1951, ≈256 bytes/in², University of Auckland | Computer history, Old computers, Free energy generator Magnetic Drum Memory, c. 1951, ≈256 bytes/in², University of Auckland | Computer history, Old computers, Free energy generator](https://i.pinimg.com/originals/08/b3/92/08b392d3814522af2ff28d6185dc0836.jpg)
Magnetic Drum Memory, c. 1951, ≈256 bytes/in², University of Auckland | Computer history, Old computers, Free energy generator
![Magnetic drum memory Invented all the way back in 1932 (in Austria), it was widely used in the 1950s and 60s as the main working memory of computers. | Forum for Electronics Magnetic drum memory Invented all the way back in 1932 (in Austria), it was widely used in the 1950s and 60s as the main working memory of computers. | Forum for Electronics](https://www.edaboard.com/data/xfmg/thumbnail/57/57045-9b3beb6bd303940e7d65d6624505fc3d.jpg?1591368397)
Magnetic drum memory Invented all the way back in 1932 (in Austria), it was widely used in the 1950s and 60s as the main working memory of computers. | Forum for Electronics
![Magnetic drum|what is Magnetic drum|types of magnetic drum|separate of magnetic drum|magnetic memory - YouTube Magnetic drum|what is Magnetic drum|types of magnetic drum|separate of magnetic drum|magnetic memory - YouTube](https://i.ytimg.com/vi/dgFsEfaTDug/maxresdefault.jpg)