This is for other Ghostbusters Props that don't fit into the categories above.
#4988947
Oh I see the “random alpha generator” now… that’s a tough one. Couldn’t find in the Beckman historical collection. I can only assume therefor that it is a component of another product rather than being something standalone, probably a panel (you can see little mounting holes in the corners) off an integrated computer system circa 60s to 70s era.
#4988965
I spent hours last night looking at Beckman instruments, analog computers, photospectrometers and ultracentrifuges without success. I am convinced its a panel off some sort of analog computer but there's just not enough photos or documentation online

    wdNyAdkhdrc A very tempting product from https:[…]

    I use an INA219 voltage/current sensor in my pack […]

    Well there you go - I have to concede that the[…]

    That's awesome! Where did all this come from? […]