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Improved Patent Steam Car for Cities

Curious Inventions of Ancient Times

Miscellaneous Summary

The Waterbury Brass Mills

Valuable Receipts

Instantaneous Photographs of Children

War and Increasing Wealth

Experiments With Rifled Small-Arms

Paying Workmen with Orders

Petroleum Gas

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Activity in Manufactories and Shipyards

Recent American Patents

Patent Claims

Issued-from the United States Patent Office

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  • Departments

    Notes and Queries

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