Newton's lantern slide catalogue: section 2 (circa 1920)

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90 NEWTON & CO., Ltd., Lantern .Slide Publishers. A STRO N O MY— Continued. STARS— Conlinutd. 388 The Pleiades Telescopic vie*. 2s. 6d. 387 The Pleiades Photographic view. 2s. 8d. 388 The Pleiades prolonged exposure showing nebulae. 2s. 6d. 389 The Pleiades Astro graphic Chart. 2s. 6d. 390 Nova Persei and Surrounding Stars. Taken with a 41 in. portrait lens. Nova Persei was not visible when the first photograph was taken, but appears as a bright light near the centre of the second view. (Mr A. Stanley Williams) 2$. 3d. 391 „ (1) Nova (3. 1001) Persei. 2s. 3d. 392 „ (2) Nova (3. 1901) Persei. 2s. 3d. 393 Northern Sky, Position ol guiding stars in the middle of February. 8 p.m., January, 10 p.m., December, midnight, Nov- ember, 2 a.m., October, 4 a.m. 394 „ „ Position of guiding stars in the middle of April, 10 p.m., March,midnight. February 2 a.m. January 4 a.m. December 6 a.m. 395 „ „ Position of guiding stars in the middle of July, 10 p.m., June, midnight, May, 2 a.m. i Northern Sky. April, 4 a.m. 1 „ „ Position of guiding stars in the middle of November, 8 p.m., October 10 p.m., September, midnight, Aug- ust, 2 a.m., July, 4 a.m. ’osition of guiding stars la the middle ol February, 8 p.m., January, 10 p.m..December, midnight,November, 2 a.m., October, 4 a.m. Position of guiding stars in the middle of April, 10 p.m., March, midnight, February, 2 a.m., January, 4 a.m., December, 6 a.m. Position of guiding stars in the 'Jr-" April, 4 a.m. middle ol July, 10 p.m., . i une, midnight, May, 2 amt., p r :i » middle of November, 8 p.m., October, 10 p.m. September, midnight, August, 2 sms., , , _ July, 4 a.m. 402 Relative Distances of the Stars. 403 Galileo s Drawing of the Stan In Orion. 425 4 The Solar Spectrum showing Fraunhoffer's Lines. 426 Solar Spectrum. The Great B. group, September. 427 Solar Spectrum, the D and rain band Group. September. 428 Solar Spectrum. The E group and 1474 Region. September. 429 Solar Spectrum. Region between Dl and D2. 430 Solar Spectrum Region between H and h. September. 431 Solar Spectrum. G Region. September. 432 Solar Spectrum. P to O Region. September. 433 Solar Spectrum, H and K Lines. September. 434 Solar Spectrum. Region L and K. September. 435 Eclipse Spectra, photographed with Prismatic Camera, 2 inch aperture, 36 inch focus. 436 Spectra of Chromosphere Comparison ol en- hanced lines and o Cygm. 437 Spectra ol Corona Chromosphere. Comparison and Sun. 438 Spectra of Chromosphere and Sun. Comparison. 439 Spectra of Sun Absorpt.on. 440 Curves of known and unknown line in Sunspot Spectra. 441 Solar Spectrum and Spectrum of Solar Promi- nences during Total Eclipse. 442 Solar Spectrum and Spectrum of Various Gases, vlt.; Hydrogen, Oxygen, Rubidium. Cs. LI. Na. 443 Solar Spectrum compared Spectra of Planets Lyrae. Pegasi. Orion. 444 Solar Spectra as compared with Star Spectra. 445 Spectra of Stars, a Lyrae and Nova Aurigae. 446 Stella Spectra. (1) Bellatrix, (2) A Cygni, 13) * ‘*““ i ‘ (6) imatic 6 Cygm, (4) 8 Arietes, (5) Procyon Aicturas. March. With 6 inch Pnsi Camera. 447 Spectra. Sirius. Arctauris Antares and Red Star. 44B The Spectra ol the Major Planets. Photo- graphed by V, M. Slipher. Lowell Observa- tory, Flagstaff. December. 2s. 3d. 449 Stellar Spectra, Ascending^Series. 450 Spectra of Nova Persei and Procypn. (1) 1901, March 3 8 p.m.; (2) March 21, 8} p.m.: (3) March 25, 8j p.m. (Stonyhurst College Observatory). 2s. 3d. 451 Spectrum of Nova Persei, II. 1901 : (Stonyhurst College Observatory.) 2s. 3d. 452 Spectra of Nova Aquila. June 8-16. 453 Up-and-Down Spectra of Sirius, taken with the up-and-down motion, showing how oblique are the Spectra produced by this method. 454 Comparison of Spectra of Sirius and a Cygni, with enhanced lines added p Lyrae, one for each day. 455 Spectra of Sirius. 6 Inch Prismatic Camera (2 Prisms, 45®). 456 Comparison of Spectra of Procyon and y Cygni, with the enhanced lines added. 457 Comparison of a Cygni and the enhanced lines 01 certain metals. Chiefly of the iron group. 458 Spectra of Cygni. 80 min. exposure. Scale S-0 : (6 inch Prismatic Camera, 2 Prisms,45®). 459 Spectra of Cygni Arcturas. 460 Spectrum of Vega (Bros. Henry.) 461 Spectrum of if Ononis, showing the lines due to O.N. and C. 462 Spectrum of a Orionis with metallic com- parisons. 463 Spectra of Arcturas. (6 inch Prismatic Camera, 2 Prisms, 45®.) 464 Spectra of Procyon. 75 min. (fl inch Pris- matic Camera, 2 Prisms, 45°.) 465 Spectra of Vega. 80 min. exposure (6 inch Prismatic Camera, 2 Prisms, 45®.) 466 Spectra of Bellatrix with the Hydrogen and Cleveite Gases. 467 Definitions of general Stellar Spectra. 468 Stellar Evolution Map. Diagram illustrating the Stellar Evolution as bated on spectro- scopic observations. 469 Metals up. Diagram showing the behaviour of metals in stars increasing their temperature. 470 Metals down. Diagram showing the behaviour of metals in star* decreasing in temperature.