![1944 Computer History: IBM ASCC "Harvard Mark 1" world's largest electro-mechanical calculator - YouTube 1944 Computer History: IBM ASCC "Harvard Mark 1" world's largest electro-mechanical calculator - YouTube](https://i.ytimg.com/vi/bN7AdQmd8So/maxresdefault.jpg)
1944 Computer History: IBM ASCC "Harvard Mark 1" world's largest electro-mechanical calculator - YouTube
![IBM releases it's Automatic Sequence Controlled Calculator (ASCC) or more popularly known as Harvard Mark I in 1944, which would play a vital role later on in the Manhattan Project. It was IBM releases it's Automatic Sequence Controlled Calculator (ASCC) or more popularly known as Harvard Mark I in 1944, which would play a vital role later on in the Manhattan Project. It was](https://preview.redd.it/rx4tfjrq68g91.png?width=680&format=png&auto=webp&s=f3fa82e1f6bf28de00ac1bea1f3a35db96651d1d)
IBM releases it's Automatic Sequence Controlled Calculator (ASCC) or more popularly known as Harvard Mark I in 1944, which would play a vital role later on in the Manhattan Project. It was
![Bonhams : HARVARD MARK I MANUAL [HOPPER, GRACE.] Staff of the Computation Laboratory. A Manual of Operation for the Automatic Sequence Controlled Calculator. Cambridge: Harvard University Press: 1946. Bonhams : HARVARD MARK I MANUAL [HOPPER, GRACE.] Staff of the Computation Laboratory. A Manual of Operation for the Automatic Sequence Controlled Calculator. Cambridge: Harvard University Press: 1946.](https://images2.bonhams.com/image?src=Images/live/2020-10/04/25007833-13-1.jpg&width=640&height=480&autosizefit=1)