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  • Departments

    Congress and the Pneumatic Dispatch System in this City

  • Preliminary Hearing of the President's Canal Commission

  • Mutually Profitable

  • Development of Color-Photography

  • The American Trotter Abroad

  • Death of Jonas Gilman Clark

  • Paris Exposition Notes

  • The Japanese Grasses

  • Single-Rail Storage Battery Motor

  • Portable Shields for Infantry

  • Wood Mosaic

  • The Assaying of Gold and Silver Ores

  • Cotton Trade Schools in the South

  • A New Form of Car Fender

  • The Paris Exposition

  • Dr. Pupin's Improvements in Long-Distance Telephony

  • Electric Cab System of Paris

  • The Store-Room Beetle or Book Worm

  • Recently Patented Inventions

  • Notes and Queries

  • Business and Personal

  • Index of Inventions

  • To Inventors

  • Patents

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