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The Wheeler and Wilson Sewing Machine--A Model Workshop

Valuable Receipts

Polytechnic Association of the American Institute

Miscellaneous Summary

Internal Revenue Stamps upon Patent Documents

Progressive Science and Art

Now is the Time to Form Clubs

Steam Wagons Upon Common Roads

What a Unit of Heat Can Do

Sinking of Iron Cylinders For Piers

General Burnside's Letter

Paper for Ship-Building

The Changes of a Piece of Silver

Literary Notices

Recent American Inventions

Patent Claims


  • Departments


  • Notes and Queries

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