Category:San Jose scale and its control (1910)
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Media in category "San Jose scale and its control (1910)"
The following 2 files are in this category, out of 2 total.
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San Jose scale and its control (1910) (14597152830).jpg 2,184 × 1,780; 780 KB
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San Jose scale and its control (1910) (14803711903).jpg 2,208 × 2,916; 1.16 MB