Lot of 3 1930s vintage Mallory capacitors 175 VDC 1250 MFD

Lot of three large vintage Mallory canister capacitors. They are marked with patent numbers from 1935. These are from the estate of an electrical engineer and shortwave radio buff.

They measure 4.5" high and 2" across. The are marked for "VDC 175" "MFD 1250" and "Max Surge 200 VDC". We have not tested them.