 | John William Leonard, Albert Nelson Marquis - United States - 1903 - 1820 pages
...sp'l studies In organic chemistry, photography, light and color; m. New Orleans, March 22, 1S76, Anule Abrams. Handwriting expert since 1876; in 1880 separated...handwriting, 1884; city librarian in charge of archives, 1855. thus enabled to study ancient writing and Ink; pres. NY State Reformatory for Women, 1892-9;... | |
 | Peter Ross - Long Island (N.Y.) - 1903 - 728 pages
...made some important discoveries as the result of his investigations. Among these was the separation of white light into complementary parts in order to absorb the actinic rays on the sensitive plate. He patented the photographic process by which this was accomplished, and the present ortho-chromatic... | |
 | Lewis Randolph Hamersly, John William Leonard, William Frederick Mohr, Herman Warren Knox, Frank R. Holmes - New York (N.Y.) - 1914 - 816 pages
...in organic chemistry, photography, light and color; m. New Orleans, March 22, 1876, Annie Ábrame. Handwriting expert since 1876; In 1880 separated white...order to absorb the actinic rays on the sensitive photographic plate, the principle on which the present chromatic processes are based; official grand... | |
 | Cyrus Adler, Henrietta Szold - Jews - 1904 - 534 pages
...organic chemistry, photography, light, and color. Married Annie Abrams. Handwriting expert since 1876; separated white light into complementary parts in...to absorb the actinic rays on the sensitive plate, 1880, the present chromatic processes being based on this principle; official grand jury handwriting... | |
 | Lewis Randolph Hamersly, John W. Leonard, William Frederick Mohr, Herman Warren Knox, Frank R. Holmes, Winfield Scott Downs - New York (N.Y.) - 1907 - 1468 pages
...Sept 29, 1848; BSN (artist) and Sarah (Soils) Carvalho; grad. NY Free Acad., NY Coll.; made special studies In organic chemistry, photography, light and...order to absorb the actinic rays on the sensitive photographic plate, the principle on which the present chromatic processes are based; official grand... | |
 | Lewis Randolph Hamersly, John William Leonard, William Frederick Mohr - New York (N.Y.) - 1909 - 1462 pages
...light and color; m. New Orleans, March 22, 1876, Annie Abrams. Handwriting expert since 1875; in ISBO separated white light into complementary parts in order to absorb the actinic rays on the sensitive photographie- plate, UK principle on which the present chromatic processes are based: official grand... | |
 | H. L. Motter - Biography - 1911 - 1288 pages
...Kensington Park, London, W., England. CARVALIIO, David None*: Expert In handwriting and inks since 1872; In 1880 separated white light into complementary parts...plate; patented this photographic process (the present orthochromatic processes are based on this principle); first to make photo graphs on celluloid, 1883;... | |
 | Cyrus Adler, Henrietta Szold - Jews - 1904 - 540 pages
...organic chemistry, photography, light, and color. Married Annie Abrams. Handwriting expert since 1876; separated white light into complementary parts in...to absorb the actinic rays on the sensitive plate, 1880, the present chromatic processes being based on this principle; official grand jury handwriting... | |
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Handwriting expert since 1876; in 1880 separated white light into complementary parts in order to absorb the actinic rays on the sensitive plate... 