I believe it is a device to measure barametric pressure.

I believe it is a rain or wet snow guage.

I believe it is a fluid power compensator

I believe it is used to make briar thicket fence row hedges, it that you push down to half cut off the stock and bend it over.

By looking at the handle it has been used many times, I belive it is used to harvest a vine like plant crop from small bushes.Herbs or fragrent flower heads.

I believe it uses electrical power to create a spark show as a asusement device.

I believe it is used to hold down papers on a clipboard

I believe it is a tool to pull or stretch wet canvas,or heavy cloth in the wool industry.

I believe it is used to roll a rubber type of material into a track, around doors or large openings.

I believe it it used to hold and tie hams when making up meat, the butcher holds and ties it with string.

I believe it is a water cooled distilling unit the glass cooling tube is missing, and the condensate collects in the lipped dish with any overflow going to the bottom dish. Probably for perfumes or aeromatic fluids.

I believe it is a marking tool for security banding straps that use a lead seal to imprint the combination of date or location. From railroad or treasury services.

I believe it is a timing mechanism to fire a flint lock. You set the wheel where you want and every time something actuated the trigger it counts one notch, when it reachs the firing spot it fires.

I believe it is a clam shell end off of a hand operated post hole digger.

I believe it is for ice wall climbing.