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Collection Guide
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Blackwelder Manufacturing Co. Records
D-326  
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Collection Overview
 
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Description
Business records, correspondence, photographs, patent information, manuals, bills of material, drawings, blueprints, and specifications.
Background
Manufacturing firm located in Rio Vista, California since 1902 whose work focused on the development of tomato harvesters and other agricultural equipment.
Extent
58 linear feet
Restrictions
All applicable copyrights for the collection are protected under chapter 17 of the U.S Copyright Code. Requests for permission to publish or quote from manuscripts must be submitted in writing to the Head of Special Collections. Permission for publication is given on behalf of the Regents of the University of California as the owner of the physical items. It is not intended to include or imply permission of the copyright holder, which must also be obtained by the researcher.
Availability
Collection is open for research.