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This scarce antiquarian book is a facsimile reprint of the original. Due to its age, it may contain imperfections such as marks, notations, marginalia and flawed pages. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions that are true to the original work.

Excerpt from Photographisches Lexicon: Ein Alphabetisches Nachschlage-Buch für den Praktischen Photographen Sowie für Maler, Chemiker, Techniker, Optiker Etc., Auf Grund der Neuesten FortschritteEs ist unmöglich, eine einfache sphärische Linse so zu construi ren, dass die Strahlen ganz und gar frei von Aberration wären, aber indem man zwei oder mehrere Linsen verbindet, die aus verschiedenem oder auch demselben Glase gemacht sind, kann die sph...

Excerpt from Photographisches Lexicon: Ein Alphabetisches Nachschlage-Buch für den Praktischen Photographen Sowie für Maler, Chemiker, Techniker, Optiker Etc., Auf Grund der Neuesten FortschritteEs ist unmöglich, eine einfache sphärische Linse so zu construi ren, dass die Strahlen ganz und gar frei von Aberration wären, aber indem man zwei oder mehrere Linsen verbindet, die aus verschiedenem oder auch demselben Glase gemacht sind, kann die sph...

Unlike some other reproductions of classic texts (1) We have not used OCR(Optical Character Recognition), as this leads to bad quality books with introduced typos. (2) In books where there are images such as portraits, maps, sketches etc We have endeavoured to keep the quality of these images, so they represent accurately the original artefact. Although occasionally there may be certain imperfections with these old texts, we feel they deserve ...

Excerpt from Collotype and Photo-Lithography: Together With an Appendix on Steam PressesW'ithout pointing to the frontispiece in any Sense as a high-class work, it may serve to Show that I have made some practical acquaintance with the subject. The illustration, printed on ordinary paper, was produced from the instructions found in this work, and I may add that at the time of writing I have printed over 500 impressions from the first plate, an...

Many of the earliest books, particularly those dating back to the 1900s and before, are now extremely scarce and increasingly expensive. We are republishing these classic works in affordable, high quality, modern editions, using the original text and artwork.

Many of the earliest books, particularly those dating back to the 1900s and before, are now extremely scarce and increasingly expensive. We are republishing these classic works in affordable, high quality, modern editions, using the original text and artwork.