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Engraving of Theory of pulleys (Theorie elementaire des Poulies)
- maker:
- Langevin, Paul
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Engraving, coloured. [Theory of pulleys] = Theorie elementaire des Poulies.. Noeuds employes dans la Marine et dans l'Industrie. Grave sur acier par Langevin; Impe par Fosset... Maison Basset..., Paris. [1850-1860?]. Book plate [two page spread] illustrating 50 assorted knots, 37 pulleys and 20 other assemblages, with key diagrams. Sheet 55x71.5cm. In frame 72.5x86x3cm