3090 Projection Apparatus 



arc light, adaptation to projection. Laudy, L. 



H. N. T. Ac. T. 10 (1890-91) 103-. 

 , reflecting and direct acting polariscope 



for. Knipe, 0. Science 22 (1893) 272. 

 combination. Hughes, W. C. Mcr. S. J. 



(1889) 117-. 

 condensers. Henry, L.d\ (xn) Lille S. Mm. 



5 (1868) 5-. 

 construction and uses. Arum. Elect. 30 (1893) 



713-, 739-. 

 diorama, portable. Tait, G. Edinb. N. Ph. 



J. 32 (1842) 142-. 

 electric couple for. Cole, A. D. Denison Un. 



Sc. Lb. Bll. 5 (1890) 20-. 

 ether-oxygen. Pellin, P. Par. S. Ps. S6". 



(1891) 171. 

 , new form. Prowse, G. R. [1891] Cn. B. 



S. P. & T. 9 (1892) (Sect. 3) 55-. 

 explosion of Bourdon manometer. Lacaze- 



Duthiers, . C. B. 125 (1897) 12-. 

 for horizontally placed bodies. Duboscq, J. 



Par. S. Ps. Se. (1876) 6-. 

 incandescent light (Welsbach) with oxygen 



supply attachment. Penman, W. [1895] 



Sc. S. Arts T. 14 (1898) 43-. 

 lighting by primary batteries. Dresser, 



A. B. Phot. J. 10 (1886) 91-. 

 megascope, Charles's. Hombres-Firmas, .L. 



A. d\ Gard Not. Tr. Ac. (1807) 143-. 

 , new form. Knight, J. B. Franklin I. 



J. 73 (1877) 335-. 

 for monochromatic and mixed light. Abney, 



(Capt.) W. de W. L. Ps. S. P. 7 (1886 



181- ; Ph. Mg. 20 (1885) 172-. 

 Newtonian. Anon. Mcr. S. J. (1898) 678-. 

 photometric properties of lenses. Blondel, A. 



As. Fr. C. B. (1899) (Pt. 2) 316-. 

 with polarised light. Laurent, L. C. B. 



85 (1877) 1162-. 

 polarising, modification of SoleiPs. Lovering, J. 



Am. As. P. (1853) 24-. 

 for projecting spectra. Pellin, . Par. S. Ps. 



S6. (1888) 305. 

 rectifying apparatus, Duboscq's. Benin, A. 



Par. S. Ps. Se. (1879) 73-. 

 slides, coloured projections of uncoloured. 



Vidal, L. Par. S. Ps. S. (1892) 214-. 

 , colouring. Scott, J. A. [1894] Dubl. S. 



Sc. P. 8 (1893-98) 263-. 

 , preparation (Woodbury process). Smith, 



G. [1886] Phot. J. 11 (1887) 22-. 

 , . Stanley, W. Manch. Mcr. S. T. (1886) 



67-. 

 stereoscopic. Moessard, . C. B. 120 (1895) 



1108-. 



. Bryan, G. H. Nt. 57 (1897-98) 511. 

 , d' Almeida's. Morauf, E. Wien Pht. Cor. 



28 (1891) 163-. 

 turntable. Miiller, F. Z. Ws. Mkr. 17 (1900) 



162-. 



with variable magnification. Crova, A. J. de 

 Ps. 10 (1881) 158-. 



Optical Apparatus 3090 



Pseudoscope, new form. Wood, R. W. Science 

 10 (1899) 648-. 



, single picture. Salomons, (Sir) D. Nt. 57 

 (1897-98) 317-. 



Bailway signals. Stevenson, A. Edinb. N. 



Ph. J. 30 (1841) 347-. 



-- . Treutler, G. A. Dingier 99 (1846) 84-. 

 Beflecting instruments. Dantas Pereira, J. M. 



Lisb. Mm. Ac. Sc. 2 (1799) 159- . 

 -- , apparent motion of image when turned 



round optic axis. Dubois, E. Les Mondes 



10 (*1866) 306-. 



, correction of errors of eccentricity. 

 Hilleret, G. Bv. Mar. et Col. 87 (1885) 

 237-, 482-. 



-- for measuring small angles, magnifica- 



tion. Lermantov, V. V. Bs. Ps.-C. S. J. 



22 (Ps.) (1890) 261- ; Fschr. Ps. (1890) 



(Ab. 2) 206. v 

 -- , theory. Cubr [Ouber], E. Casopis 2 



(*1873) 233-; Bll. Sc. Mth. As. 8 (1875) 124-. 

 Befractoscope, crystal. Pulfrich, C. A. Ps. 



C. 30 (1887) 317-. 

 Botary motion, optical method of investi- 



gating. Clarke, (Lt.) G. S. [1877] Camb. 



Ph. S. P. 3 (1880) 90-. 

 Search lights with parabolic glass-mirrors. 



Anon. Elekttech. Z. 11 (1890) 371-. 

 Sextant. Hermans, H. Brux. A. Tr. Pbl. 1 



(1896) 41-. 



for accurate observations. Schwerer, (It.) A. 

 Bv. Mar. et Col. 105 (1890) 80-. 



, adjustment of mirror. Braun, C. Z. Instk. 

 8 (1888) 238-. 



, errors when mirrors are not perpendicular 

 to graduated arc. Lemoch, I. Grunert 

 Arch. 25 (1855) 167-. 



, and use. Kayser, E. [1892] Danzig 

 Schr. 8 (1892-94) (Heft 1) 155-. 



, lighting arrangement for vernier, for night 

 observations. Besson, . Bv. Mar. et Col. 

 87 (1885) 602-. 



for night observations, binocular. Cuver- 

 ville, C. de. Bv. Mar. et Col. 83 (1884) 171-. 



--- , modification. Blanchin, . Bv. 

 Mar. et Col. 80 (1884) 731. 



' ' Simmetrizzatore " as universal kaleidoscope 



and as educational instrument. Luca, P. A . 



de. Nap. Ed. 3 (1844) 161-. 

 Spherometers, prismatic. Meyerstein, M. A. 



Ps. C. 126 (1865) 589-; D. Nf. B. 40 (1865) 



104. 

 Stepped lens, theory. Matthiessen, L. Cztg. 



Opt. 7 (1886) 109-. 

 Stereometer. Marie, T., d- Ribaut, H. C. B. 



128 (1899) 1008-. 

 Stereomonoscope, by which single picture pro- 



duces stereoscopic effect. Claudet,A. [1858] 



E. S. P. 9 (1857-59) 194-. 



STEEEOSCOPE. 

 (See also 4440.) 



Projection of images formed between 2 plane Faye, H. A. E. C. B. 43 (1856) 673-. 

 mirrors. Bibart, E. J. de Ps. 9 (1880) 11-. Almeida, J. C. d'. C. E. 47 (1858) 61-. 



and increase of light. Lester, . Tilloch 

 Ph. Mg. 52 (1818) 68-. 



Pick, H. Wien Schr. Vr. Nw. Kennt. 2 

 (1861-62) 297-. 



340 



