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achromatic adjustment Amateur amount angle included antiplanets Aplanat arrangement astigmatism atoms Back Focus body camera chromatic aberration Cloth bound coefficient of light condenser consideration construction correct crown glass defect definition depth of focus diameter diaphragm direction disk dispersing distance distant object distortion energy Engraving enlarging equivalent focus ether exposure eye-piece fact finder focal length focused form of lens form of shutter front combination front lens full aperture give given ground glass illumination illustrated inches focus instrument larger lenses light passes lines matter maximum aperture motion negative opening optical opticians Paper covers photographic photographic lens picture plane portrait lens practice precise Price prisms rapid landscape rapid rectilinear ray of light rectilinear refraction result SCOVILL & ADAMS Series sharp single lens slide small stop spectrum spherical aberration Steinheil stereoscopic supposed surface swing tion transparent Triplex vibration W. K. BURTON Waterbury wide angle
Page 145 - By JA BARHYDT. Practical ideas and directions given. Amateurs will learn ideas of color from this book that will be of value to them. And any one by carefully following the directions on Crayon, will be able to make a good Crayon Portrait 50 ART RECREATIONS.— A guide to decorative art. Ladies' popular guide in home decorative work.
Page 152 - ARTICLES by such acknowledged authorties as Prof. WK BURTON, on SCIENTIFIC AND PRACTICAL SUBJECTS. ANDREW PRINGLE, on SUBJECTS OF GREATEST VALUE. PC DUCHOCHOIS, on CHEMICAL SUBJECTS. WJ STILLMAN, on ART AND PRACTICAL SUBJECTS. Prof. CHARLES EHRMANN, on DARK ROOM AND PRINTING PRACTICES. And frequent contributions from G. WATMOUGH WEBSTER, FCS, of England; CARLSRNA, CHARLES SCOLIK, Dr.
Page 144 - THE PHOTOGRAPHIC INSTRUCTOR.— For the professional and amateur. Being the comprehensive series of Practical Lessons issued to the students of the Chautauqua School of Photography. Revised and enlarged. Edited by WI LINCOLN ADAMS, with an Appendix by Prof. CHARLES EHRMANN.
Page 152 - Special numbers contain more than one high grade illustration ; and there are published, beside superb Photogravures, pictorial illustrations, by other photographic and photomechanical printing processes. The illustrations are carefully selected, and represent the best work of representative American artists. There are also copies of famous pictures, from time to time, to illustrate lessons in art for photographers, accompanied by instructive reading matter.
Page 138 - IS pounds : the case serving as a convenient stand when the lantern is in use. The CASE and BODY of the Lantern are of Russia iron, and neat and compact in form. That part of the body which surrounds the lamp is double, the outer cover being ornamentally perforated so as to allow a constant current of air to circulate and keep down the temperature. The lamp is of the triple wick variety, and so constructed that the three flames combine and by the draught of a ten-inch chimney give a brilliant flame....
Page 127 - They are universally used by many of our most eminent photographers. This is, doubtless, attributable to their extraordinary definition and flatness of field, as well as to the exceedingly portable form in which they are constructed, the series fitting the same flange.
Page 145 - AMERICAN CARBON MANUAL.— For those who want to try the Carbon printing process, this work gives the most detailed information. Cloth bound BO MANUAL DE FOTOGRAFIA.— By AUGUSTUS LE PLONGEON.
Page 138 - LANTERN affords, at a moderate price, the greatest number of advantages, and from its simplicity and nonliability to get out of order, gives, even in inexperienced hands, results superior to all others. The No. 1. SCOVILL SCIOPTICON when packed for carrying, in its own Russia iron case, measures 15 x 10 x 6 inches, and weighs 12 pounds; the case serving as a convenient stand when the lantern is in use. The CASE and BODY of the Lantern are of Russia iron, and neat and compact in form. That part of...
Page 146 - In the Menagerie. I. M Van Ness, New York. "A Merry Tale." A Child Group. F. Gutekunst, Philadelphia. " The Van Rensselaer Manor House." Photo-Electro Engraving Company, New York. " An Improvised Studio." Electro-Tint Engraving Company, Philadelphia. • The Bats." A " Flash " Light Photograph in Howe's Cave. William Kurtz, NY • A Raider's Resort.
Page 134 - Fitted with Pneumatic Attachment, which may be worked at a considerable distance from the Camera, thus enabling the operator to form part of a group or to be included in a view he is photographing. This Shutter may be used for either timed or instantaneous exposures ; the change is made by simply moving a switch.