20 Grid Leak Resistors as used in 1920's Battery Radios

Description

You are bidding on a group of 20 grid leaks, as used in the detector section of 1920’s radio receivers.
They were made by numerous manufacturers, but not all of them are labelled.
Some of the included manufacturers are: Electrad, Daven, Glastor, Dubilier, Durham, Poly Grid, Kresge, and Aerovox.
All are untested, and are very high resistance.
They are about 1 ½ inches in length, and ¼ inch in diameter.
They should be useful for a battery radio collector!
Shipping weight is i8 ounces.
Please see my other auctions for more interesting radio and audio items and tubes.