Category:1877 in technology

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Technology in the 1870s : ←; 1870; 1871; 1872; 1873; 1874; 1875; 1876; 1877; 1878; 1879; →

Subcategories

This category has the following 6 subcategories, out of 6 total.

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1877 books about technology (1 C)

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1877 machines (1 C, 1 F)

Media in category "1877 in technology"

The following 2 files are in this category, out of 2 total.

Bell System 1877.jpg 1,478 × 824; 205 KB
Bells first wall telephone 1877.jpg 406 × 710; 39 KB

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