Optical projection : a treatise on the use of the lantern in exhibition and scientific demonstration / by Lewis Wright.

  • Wright, Lewis, 1838-1905.
Date:
1901
Catalogue details

Licence: Public Domain Mark

Credit: Optical projection : a treatise on the use of the lantern in exhibition and scientific demonstration / by Lewis Wright. Source: Wellcome Collection.

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    INDEX ABE Aberrations of lenses, 7; of con¬ densers, 19, 21; of objectives, 25 Absorption of colour, 299, 305; lines in spectrum, 310 Accessory lantern apparatus, 145 ; for scientific work, 170-8 (see also Subjects) Achromatism, 291 Achromatic lenses, 25 Acoustics, 247 Acoustic figures, 252, 255, 266; pencils of light for, 257 Actinic rays, effect of, 316 Adjustment of a jet, 50; of the light, 115, 214; kaleidoscope, 146 ; microscope, 197 Aliren’s polarising prisms, 345; reflecting polariser, 346 Air-films, colours of, 328 Air, vibrations in, 268 Airy’s spirals, 379 Alternate current, danger of, 165 Alum cells, 150, 183, 207, 328, 331 American lanterns, 155, 168 Ampere’s current experiments, 403 Amplifying image in the micro¬ scope, 186 ; by aye-pieces, 188 Analysers for polar.iscopes, 339 Analysis, spectrum, 304 BOD Antiseptics, demonstration of, 245 Aphengescope, the, 147 Apochromatic objectives, 194 Apparatus, projection of, 212 Arc, projecting the, 410 Arc-lamps, 162, 422 ; for spectrum experiments, 159, 305 Argand lamps, 34 Atwood’s machine, 220 Axes, polarising, 364 Bailey, Mr. G. H., and zirconia, 70 Bands of colour in soap-films, 327 ; in selenite, 354; quartz, 373 Barton’s buttons, 336 Beads, silvered, for acoustics, 252 Beams and pencils of rays, 172, 257, 276 Beard’s regulators, 86, 88 Bells, vibration of, 249 Benzoline for O.-H. light, 100 Billet’s lenses, 334 Bi-prism, Fresnel’s, 332, 376 Bi-quartz effects, 372 Bi-unial lanterns, 109; experi¬ mental, 157 ; vertical, 169 Bleaching, 244 Blood-pressure, 239 Blow-through jets, 47