The last post dedicated to Whipple Museum is for the calculators and their predecessors. All these objects are located in the next room which contains a lot of things in shelves and drawers as if they were in a store. There are calculators and a drawer dedicated to the Napier’s rods or bones:
There also are some interesting abacus like this one:
Finally, different slide rules fill some drawers. You must be very patient and it’s a pity that this museum isn’t located in a larger building.
I have more pictures but you must go there if you want to have a real idea of the exhibition. It’s impossible to summarize it in some photos!