The Friden Computyper computer of 1967 was marketed as a billing machine and made use of a cartridge with a continuous loop of punched Mylar tape to program it. The tapes were prepared by a Friden office, to meet the needs of the company running the […] [Original post on mastodon.world]

Agfa introduced their Karat series of cameras in 1936 and with it introduced a new film cartridge system for 35 mm photographic film. Two cartridges were used, with the film being drawn from one cartridge and then being pushed into the empty cartridge. One […] [Original post on mastodon.world]

discovered this ad for a Panasonic PV-SD4090 in a march 2000 issue of Wired mag 99% of the time i see sony mavica posts for retro digicams, but this one is a real treasure. those LS-120 drives did not really catch on at the time, and it’s a shame because iomega […] [Original post on dialup.cafe]

The Sharp Magnetic Bubble Memory cartridge was introduced in 1983 for use as removable storage in the Sharp PC-5000 portable computer, in place of a hard disk or internal floppy disks. It offered 128 KB of storage. This cartridge was kindly donated by my […] [Original post on mastodon.world]

The Music Screeners series was a short-lived format that offered multimedia content on a 3.5-inch floppy disk. They were launched by Sony in late 1995 with 21 titles - more were planned for 1996 but this doesn't appear to have happened. Each disk was themed […] [Original post on mastodon.world]

In the 1900s and 1910s there were a number of Chicago-based record labels that operated a type of premium scheme whereby the phonograph itself was inexpensive but the purchaser was locked-in to purchasing discs made for the player through the use of different […] [Original post on mastodon.world]

Some older automatic washing machines used metal punched cards to control their wash cycles and offer more choice over programmes. The cards were placed in a slot on the machine – a top row of smaller perforations was used to pull the card along and as the […] [Original post on mastodon.world]

This is a background music cartridge from Planned Equipment Ltd. (PEL). Using an 8-Track cartridge, it offered four 4 hours of mono music by running the tape at half the normal speed and using all eight tracks. This particular cartridge was kindly donated by […] [Original post on mastodon.world]

Busy Bee Records was started in 1904 and was one of a number of Chicago-based labels that operated a type of premium scheme whereby the phonograph itself was inexpensive but the purchaser was locked-in to purchasing discs made for the player. The Busy Bee […] [Original post on mastodon.world]

Introduced around the early 1930s, the Movie-Jeckor was a toy projector that used paper rolls and an electric lamp. The reel contained two rows of images and as a handle on the projector was turned, the strip was advanced and a shutter inside the projector […] [Original post on mastodon.world]

UD-4 was a lesser known quadraphonic LP format introduced by Nippon Columbia (Denon) in 1974. It contained both matrix and discrete quadraphonic systems, but didn't do well commercially with just 30 releases. This is a sampler album from 1974. More information […] [Original post on mastodon.world]