EF-140

YEAR: 1961
ITEM: Analog Computer
COMPANY: General Electric
COUNTRY: USA
IN OUR COLLECTION: Yes
Analog computer produced by General Electric in 1961. Created with the intention of educating young people in electronics and mathematics it was a kit computer that the user assembled on their own. The kit comes with memory panels, an audio indicator, and a 3-transistor amplified aid in solving problems. The computer ran off of 4 1.5 D-Volt batteries and cost $29.99 in 1961 (that is equivalent to $315 in 2024!!).
More pics coming 10/17/24. Some of the images are oversized so that fine print is not blurred.
Documents
Documents for this item have not yet been scanned or not yet posted. There are a lot of pages...contact us if you have an immediate need. (Although there are not a lot of "immediate needs" for a 70+ year old computer!)
OUR DEFINITIONS OF RARITY
One of a Kind: Only known existing item.
Exceedingly Rare: Only 2 to 10 known to exist.
Very Rare: Only 11 to 25 are known to exist.
Rare: Only 26 to 50 are known to exist.
Difficult: Difficult to find.
Available:Can be commonly be purchased.
Unknown: We cannot make a determination.
(For comparison: Many people consider the Apple-1 computer to be rare. As of 2025 there are 92 confirmed and probable Apple-1 computers.)











