- Title
- Special scale device used for measuring rock and sand used at the Poultry Producers of Central California Petaluma mill while it was under construction, 1937
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- Creation Date (Original)
- 1937
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- View on Alternative Site
- View photo location on the Sonoma County Historical Photos Map hosted by the City of Santa Rosa
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- Description
- Text below photograph reads: Special scale device by which the different proportions of rock and sand were weighed before they were put into the 1 cu. yd. concrete mixer - eliminating all guess work and giving an absolutely uniform concrete. (Nov. 10, 1937).
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- Item Format or Genre
- ["black-and-white photographs"]
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- Local History and Culture Theme
- ["Business and Industry"]
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- Subject (Topical)
- ["Construction projects","Concrete construction","Grain elevators"]
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- Subject (Corporate Body)
- ["Poultry Producers of Central California"]
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- Digital Collection Name(s)
- ["Sonoma County Library Photograph Collection"]
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- Digital Collections Identifier
- cstr_pho_033424
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Special scale device used for measuring rock and sand used at the Poultry Producers of Central California Petaluma mill while it was under construction, 1937
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