Making Money Flow: The MONIAC

Here’s an analogue computer called the MONIAC from ~1949 that calculates monetary flow in an economy: link with a fairly naff video of it operating but captures the essence: ▶ this video I like the COMPAQ branding added to it!

This is exactly why MONIAC[0][1] was created in 1949. Not a real computer exactly - it simulates the entire system with water flow. [0] link [1] ▶ this video

I believe one of the earliest applications incorporating this line of thought was MONIAC, the Monetary National Income Analogue Computer, which used water levels to model the economy [0]. There's a short youtube documentary on its history and operation. [1] [0] link [1] ▶ this video ▶ this video (shows operation of MONIAC)

There was a neat liquid computer called the MONIAC used to model the national economic processes of the UK. Here's a video: ▶ this video Edit: Oh it was mentioned in the paper!

And of course its always worth mentioning the MONIAC.. (Monetary National Income Analogue Computer) also known as the Phillips Hydraulic Computer link ▶ this video