"I found this thing at a garage sale. Its a wooden box. Lots of plastic dials and metal switches. Not sure what it is. Can anyone help?"
A: "The Bristol Company:
By 1915, the company was manufacturing the largest and most complete line of industrial instruments in the world, including instruments to measure and record temperature, electricity, pressure, motion, time, flow, and humidity. These instruments were the first to provide an uninterrupted history of manufacturing plant operations; increasing efficiency, improving quality, and allowing higher rates of productivity.
From that info, it might be part of a ‘chart recorder’ for high temps."
For you younger guys. Dating was much more fun before pantyhose.
It is used to keep the pistons from the disk brake caliper separated when the wheel is removed in case the brake lever is pushed accidentally.
It's from Adafruit, the company famous for their DD8008S and attempted takeover of Apple... so everything else is obvious.