The Scientific Papers of Sir Charles Wheatstone

angle aperture apparatus appear arithmetical progression ascertain axis battery binding-screws binocular binocular vision brass centre charge cipher circuit coating coils colours column of air conductor converse corresponding cylinder deux diameter diatonic scale direction disc discharge distance earth effect electric electro-magnet electro-motive force electrometer elements embouchure employed equal experiments film fixed galvanometer gutta-percha horizontal horopter inch inclination instrument insulated intensity interposed inverted Jew's harp length light magnet magnitude means ment metal miles mirror modes of vibration motion mouvement needle nodal lines object observed obtained optic axes parallel perceived perpendicular perspective projections phenomena placed plane of polarization plane of reflection plate poles position produced quiescent lines reflected image relief rendered resistance retina Rheometer rheomotor rheostat rotation seen semitone similar single sound sounding-board spark square stereoscope successive polarization superpositions surface thickness tion tube tuning-fork velocity vertical vision voltaic vowel wire zinc