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Dynamo electric machine patent by D M Bliss.
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Dynamo Electric Machine — US Patent No. 669,574, patented March 12, 1901. This artwork is the original patent illustration submitted by the inventor, showing two engraved figures: a frontal sectional view and a longitudinal cutaway. Executed in precise black-ink linework, the drawing details the internal arrangement of field magnets, armature, shaft, and housing within a compact circular frame. Medium: U.S. Patent Office technical engraving. The image prioritizes mechanical clarity, symmetry, and labeled components, serving as both legal documentation and visual record of early electromechanical design.
D. M. Bliss was an American inventor active at the turn of the 20th century, a period defined by rapid refinement of power-generating machinery. His work reflects the practical engineering culture of the era, where innovation centered on improving efficiency, structure, and reliability through specific mechanical configurations. Bliss’s patent stands as a representative artifact of early electrical-industrial invention, preserved through formal patent illustration rather than commercial branding.
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Paper Finishing: Matte, smooth, non-reflective surface.
Paper Weight: 200 gsm (80 lb), thickness: 0.26 mm (10.3 mils).
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Paper Finishing: Matte, smooth, non-reflective surface.
Paper Weight: 200 gsm (80 lb), thickness: 0.26 mm (10.3 mils).
Sustainable Paper: FSC-certified or equivalent paper for sustainability.
Matte paper, recognized for its non-shiny finish, is often favored for its elegant aesthetic.
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