A mechanical analog fire control computer, as described in detail in a Navy Training Video from 1953. The series is 7 parts long.

Because it's a training video, they do an excellent job of explaining clockwork mechanisms that the modern layman simply doesn't see anymore. Even better, they show demonstrations of continuous computing using analog systems, as opposed to our modern discrete digital computers.
phymansays...

Interesting video, and reminds me that all computers started life for military application. Firing computers first, and later, notably used for encryption/decryption of information.

spawnflaggersays...

Really fascinating videos, I watched all 7 parts. I wonder how much the whole computer weighed?
Seems like it would be a reliable device, as long as it's well greased, and the 3+ operators are well trained.

Of course nowadays a single chip smaller than a fingernail could achieve equal results with 0 operators, but an electronic computer in 1953 would have been much larger and much less reliable (transistor tubes tend to burn out) and required more energy than equivalent to feeding a few humans.

MarineGunrocksays...

Actually, the fire control rooms had more than 20 people all operating in a room the size of a small McDonald's dining area. I looked for pictures, but in the USS North Carolina, they have silhouettes of the operators huddles around the computers and it's mind-boggling how they got it all done. Ah, here it is: https://lh6.googleusercontent.com/_KuYLyRjiSR8/SfXkK4QJYEI/AAAAAAAAFbQ/egYSw3kQhfo/DSC_2338.JPG

>> ^spawnflagger:

Really fascinating videos, I watched all 7 parts. I wonder how much the whole computer weighed?
Seems like it would be a reliable device, as long as it's well greased, and the 3+ operators are well trained.
Of course nowadays a single chip smaller than a fingernail could achieve equal results with 0 operators, but an electronic computer in 1953 would have been much larger and much less reliable (transistor tubes tend to burn out) and required more energy than equivalent to feeding a few humans.

bamdrewsays...

lol @1:32
'The computer requires men, to ever turn its small cranks, which pleases the computer... for it is the computer's desire that man knows his place - subservient to the computer and willing to toil endlessly and meaningless-ly if such is the computer's whim.'

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