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I acquired my J. E. Weinel Inc. box from John at the 1991 NSS Convention.
My J. E. Weinel Inc. is 86 mm. long, 102 mm. wide, 61 mm. high, and weighs 288 g. It is a single channel chest box consisting of a thick, milled back plate with a Simmons Roller attached with two machine screws. The back plate has 55 mm. tall vertical slots for attaching the box to a chest harness.
There are no markings on the plate, but the Simmons Roller is stamped with "SIMMONS," as one would expect. The pin is stamped with "AVIBANK PUSH" and "55207-1."
All of the edges, corners, and slots on the back plate are very well rounded. I believe that this plate is far thicker and heavier than necessary.
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I acquired my Ledbetter Double box from Inner Mountain Outfitters in at the 1991 Speleofest.
My Ledbetter Double is 77 mm. long, 100 mm. wide, 57 mm. high, and weighs 404 g. It is a double channel chest box consisting of thick, milled back plate with a double stainless steel channel attached to it by four machine screws. There are two plastic rollers mounted on a single quick release pin that fits in from one side of the double channel. The back plate has 55 mm. tall vertical slots for attaching the box to a chest harness.
The pin is stamped with "AVIBANK PUSH" and "MS17984-520."
The Ledbetter Double has two rollers on a common quick-release pin. I do not like this arrangement because it means that one cannot open one side without affecting the other.
All of the edges, corners, and slots on the back plate are very well rounded. The plate is thicker than it needs to be, adding unnecessary weight.
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