Engraving depicting a smoke jack: hot air rising in chimney acts on vanes, A,B moving axis of pinion C, which engages toothed wheel. Grooved wooden...
Engraving depicting the raising of a large slab of stone and mortar using a rope and pulley. The power from the man at the crank wheel is transmitted...
Engraving depicting the raising of a large slab of stone using a rope and pulley. The power from the man at the crank wheel is transmitted through...
Engraving depicting the raising of a large piece of timber using a rope and pulley, and a man-powered windlass with tooth and pinion and crown and...
Battle Scene with Prisoners being pinioned, early 16th century. Verso: Battle Scene with Prisoners being pinioned. Dimensions: height x width: sheet...
Engraving depicting the raising of a large slab of stone and mortar using a rope and pulley. The power from the man at the crank wheel is transmitted...
Engraving depicting the raising of a large slab of stone using a rope and pulley. The power from the man at the crank wheel is transmitted through...
Engraving depicting the raising of a large piece of timber using a rope and pulley, and a man-powered windlass with tooth and pinion and crown and...
