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#11 Test Set

This is a "tool" manufactured by Stewart Bros.

This object has museum accession number 531.

It is contained in Shed storage.

Tags: 11 test manufacturer:name=Stewart_Bros


History of this object

activity date from to link notes
patent 1915-11-15
note 1957-01-29

(machine-parsable metadata for this item is available here)

A project of the Museum of Communications • +1 (206) 767-3012

7000 East Marginal Way South • Seattle, Washington 98108-1103