The Life, Times, and Scientific Labours of the Second Marquis of Worcester / To which is added a reprint of his Century of Inventions, 1663, with a Commentary thereon.

by Henry Dircks

Dark, to write in the, [503].

Decks, false destroying, [405].

Dee, Dr. John, his preface to Euclid, [361].

Definition of the Engine, [496], [549], [550].

Desaguliers, Dr., on automata, [443]; on perpetual motion, [452], [453]; account of Savery’s engine, [488]–[490]; charge against Savery, [489].

Dice, cheating at, [522], [524].

Dicing box, [521], [522], [524].

Discourse, mute and perfect, by colours, [399]; by night, [399].

Door, opening either way, [502]; a conceited, [503].

Doors, a pocket engine to open, [527].