Reddit user c-wizz shared photos of two vintage computers found in his grandparents’ basement. One was a PDP-8/e (left), but what really caught c-wizz’s attention was the second computer, the LGP-30.

The computers, which began production in 1956, sold for $47,000. Adjusted for inflation, the LGP-30 would cost $513,000 in today’s money. The computer was relatively small for its time—other computing devices still filled entire rooms in the mid-1950s. LGP-30 can not be called light – its weight is approximately 363 kg.

For its time, the LGP-30 had good characteristics: the computer consists of 113 vacuum tubes, 1450 semiconductor diodes, and has memory on magnetic tape reels. The memory could store up to 4069 31-bit words, which is equivalent to about 15.8 KB – a decent headroom at the time.

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In total, 45 LGP-30s were produced – the high price and the lack of great demand affected. The status of almost all 45 computers is unknown, finding at least one of them is an important event in the history of computing.

According to c-wizz, his grandfather used a computer for construction calculations in the 60s. He was probably one of the few people in Germany who owned his own computer. All of this was before IBM and Apple released their personal computers in the 1970s.

Unfortunately, the LGP-30 computer does not work. The owner decided to fix the device: “I found a museum in Germany (where I come from) that apparently has a working LGP-30. I think I’ll contact them.”

The last person in the US to sell floppy disks worldwide is still receiving orders from airlines, medical institutions and industries.

Source: tech spot