Simple drawings and descriptions of mechanical devices in use in the 19th century, including Otis's safety stop for the elevator, Pickering's governor for a steam engine, Arnold's escapement for watches, compound parallel rules, piston rod guides, the grasshopper beam engine, and a self recording level for surveyors.Cyclograph for describing circular arcs in drawings where the center is inaccessible. This is composed of ... The drum can be shifted vertically to accord with any given scale, and horizontally, to avoid removal of filled paper. 412. Wheel-work inanbsp;...
|Title||:||Five Hundred and Seven Mechanical Movements, Embracing All Those which are Most Important in Dynamics, Hydraulics, Hydrostatics, Pneumatics, Steam Engines, Mill and Other Gearing, Presses, Horology, and Miscellaneous Machinery, and Including Many Movements Never Before Published and Several which Have Only Recently Come Into Use|
|Author||:||Henry T. Brown|