| 2019-11-24 - Hardware archeology - Mechanical computing | |
| mechanisms | |
| Home | |
| Back to phlog | |
| A long, long time ago - possibly more than a decade - I stumbled | |
| across an old manual on mechanical computers, which were used | |
| for fire control systems back in the forties. | |
| I changed my laptop at least twice since, and even if I | |
| *probably* still have that file, I have no idea where that might | |
| be. | |
| Today, I found it again, almost by accident, when clicking on a | |
| Wikipedia link gave me the magic words I needed for Google to | |
| find it again: it was /Basic Fire Control Mechanisms/, OP 1140, | |
| from 1944, and it's available online from at least two | |
| locations. | |
| I can barely wrap my head around the basic components described | |
| in Section 2, and they are of course impressively impractical, | |
| but also fascinating. Need to implement the trigonometric | |
| functions in hardware? Just cut the right groove into a cam! | |
| And don't worry if your computer is starting to look like a | |
| dieselpunk torture devices, those are just multipliers and | |
| integrators! | |
| Basic Fire Control Mechanisms - Maritime Park Association | |
| Basic Fire Control Mechanisms - Historic Naval Ships Association Archive | |