Natural philosophy. including statics, hydrostatics, pneumatics, dynamics, hydrodynamics, the general theory of undulations, the science of sound, the mechanical theory of music, etc. : designed for the use of normal and grammar schools, and the higher classes in common schools
A school physics textbook by John Herbert Sangster, published in Montreal by J. Lovell in 1861 for normal, grammar and upper common school classes in Canada. The wood-engraved figures are small numbered diagrams of simple machines and fluid apparatus i gear trains with hanging weights, screw threads, winch and pulley rigs, water-filled vessels with pistons rendered in fine hatching and stipple against blank grounds, useful as mechanical line motifs or cut-out technical spot figures.
