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Glass Battery Rest Insulators

Glass insulators were developed to support the racks of early batteries.  These were also frequently designed to capture any chloride that seeped out to run down the rack -- These styles are called chloride accumulators.

CD 28

Example of a CD 28 style with no embossing

A CD 31 marked on the base "CHLORIDE ACCUMULATOR, THE E.S.B. CO.".

CD 35

a CD 35 marked "THE E.S.B. CO. // MADE IN U.S.A.

CD 50

A CD 50 with no embossing.  The screw top was likely to mount to the leg of the battery stand.

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