Photoelectric Number Sieve Machine ("Gear Machine")

• Published in 1932
In the collections
This gear number sieve was constructed to solve number theory problems such as factoring and determining if a number is prime. The machine also had a photo detector and powerful amplifier which was not included in the gift.

BibTeX entry

@online{PhotoelectricNumberSieve,
title = {Photoelectric Number Sieve Machine ("Gear Machine")},
author = {D. H. Lehmer and Robert Canepa},
url = {http://www.computerhistory.org/collections/catalog/X85.82},
urldate = {2016-06-13},
abstract = {This gear number sieve was constructed to solve number theory problems such as factoring and determining if a number is prime. The machine also had a photo detector and powerful amplifier which was not included in the gift.},
comment = {},
collections = {Easily explained,Things to make and do,Integerology},
year = 1932
}