Currently open by appointment only, write Director@TheComputerChurch.org.

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.

Get Our Newsletter  

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.)

We are still building. This feature will be ready by the end of December 2025.

(** indicates required entry)