The Boston school compendium of natural and experimental philosophy ..
A school physics textbook by Richard Green Parker, published in Boston by Marsh, Capen & Lyon in 1837 for American classroom use. Small wood-engraved diagrams trace light rays off curved mirrors and through lenses, with candles, urns, eyes and telescope tubes drawn as objects at the ends of ruled lines, plus lettered keys designers can lift as line-art ornament.
