alethoscope Definition

megalethoscope, stereomonoscope, perspectograph, ophthalmometer, optical device, opsiometer, photovisual, perspicil, compound microscope, box camera, cosmorama, scioptics, dioptometer, diaphanoscope, optometer, simple microscope, telephotography, telephotograph, phantascope, catopter, optical instrument, lens, hyalotype, telestereoscope, chromascope, phakoscope, dynameter, schmidt telescope, light microscope, orthoscope, phototheodolite, teinoscope, sensitometer, dynactinometer, zograscope, stauroscope, dioptrics, microradiography, time exposure, pantascope, leucoscope, pseudoscope, mental picture, photographometer, mental image, photoscope, spectrohelioscope, astrometer, phenakistoscope, diaphote, optogram, object glass, altiscope, epidiascope, magnetograph, reflex camera, achromatic lens, horopter, semilens, cine camera, optigraph, nicol prism, biprism, optography, terrestrial telescope, spherometer, microprojector, scotoscope, coelostat, isochromatic, volumescope, spectroheliograph, macrometer, skiagram, scalogram, photofluorography, haloscope, exposure meter, light meter, photorelief, map projection, photoheliograph, catadioptrics, field of vision, isologous, holometer, haemoscope, image, superreflection, y level, tithonographic, cytophotometer, telescopy, anorthoscope, vibroscope, microscopium, spherograph, opeidoscope, perspicience, lactoscope,