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Cover image for The young steam engineer's guide, invented by the author, a description of other patented inventions : illustrated with two engravings

The young steam engineer's guide, invented by the author, a description of other patented inventions : illustrated with two engravings

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Cover image for Fact sheet: President Donald J. Trump bolsters national security and strengthens U.S. supply chains by imposing tariffs on patented pharmaceutical products

Fact sheet: President Donald J. Trump bolsters national security and strengthens U.S. supply chains by imposing tariffs on patented pharmaceutical products

  • 2026
  • Format: Electronic
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Cover image for Brief remarks and description of the iron truss railway bridge invented by Nathaniel Rider of New York, U.S., patented April 1847

Brief remarks and description of the iron truss railway bridge invented by Nathaniel Rider of New York, U.S., patented April 1847

  • 1848
  • Format: Electronic
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Cover image for Robert A. Chesebrough's system of locomotion for elevated railroads. Patented July 14, 1868. Letter of Gen. Egbert L. Vielé, C.E

Robert A. Chesebrough's system of locomotion for elevated railroads. Patented July 14, 1868. Letter of Gen. Egbert L. Vielé, C.E

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Cover image for Journal of the Franklin Institute of the State of Pennsylvania: Devoted to the Mechanic Arts, Manufactures, General Science & the Recording of American & other Patented Inventions

Journal of the Franklin Institute of the State of Pennsylvania: Devoted to the Mechanic Arts, Manufactures, General Science & the Recording of American & other Patented Inventions

  • Format: Electronic
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Cover image for Journal of the Franklin Institute of the State of Pennsylvania: Devoted to the Mechanic Arts, Manufactures, General Science & the Recording of American & other Patented Inventions

Journal of the Franklin Institute of the State of Pennsylvania: Devoted to the Mechanic Arts, Manufactures, General Science & the Recording of American & other Patented Inventions

  • Format: Electronic
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Cover image for Description of the naval automaton, invented by J.A. Etzler, and lately patented in England, France, Holland, Belgium and the United States of North America

Description of the naval automaton, invented by J.A. Etzler, and lately patented in England, France, Holland, Belgium and the United States of North America

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Cover image for Journal of the Franklin Institute of the State of Pennsylvania & American Repertory of Mechanical & Physical Science, Civil Engineering, the Arts & Manufactures & of American & other Patented Inventions

Journal of the Franklin Institute of the State of Pennsylvania & American Repertory of Mechanical & Physical Science, Civil Engineering, the Arts & Manufactures & of American & other Patented Inventions

  • Format: Electronic
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Cover image for Journal of the Franklin Institute of the State of Pennsylvania & Mechanics' Register: Devoted to Mechanical & Physical Science, Civil Engineering, the Arts & Manufactures & the Recording of American & other Patented Inventions

Journal of the Franklin Institute of the State of Pennsylvania & Mechanics' Register: Devoted to Mechanical & Physical Science, Civil Engineering, the Arts & Manufactures & the Recording of American & other Patented Inventions

  • Format: Electronic
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Cover image for Journal of the Franklin Institute of the State of Pennsylvania & Mechanics' Register: Devoted to Mechanical & Physical Science, Civil Engineering, the Arts & Manufactures & the Recording of American & other Patented Inventions

Journal of the Franklin Institute of the State of Pennsylvania & Mechanics' Register: Devoted to Mechanical & Physical Science, Civil Engineering, the Arts & Manufactures & the Recording of American & other Patented Inventions

  • Format: Electronic
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