[Patents] Journal of the Society of Chemical Industry.
KRIEGER, Johann Nepomuk (1865-1902).
WRIGHT, Thomas (1711-1786).
WEIDLER, Johann Friedrich.
MACLEAY, William Sharp (1792-1865).
BURRELLS, W. (Walter).
American Optical Company; RICHARDS, Oscar W.
BAUSCH & LOMB OPTICAL CO., Rochester, NY.
BABBAGE, Charles (1792-1871).
MICHELL, John (1724-1793).
LEITZ, Ernest, Instruments. No. 42.
[JANSSEN, Jules (1824-1907)] Francoise LAUNAY.
[Textiles] Society of Chemical Industry; HIGGINS, S. H.
[Microscopes] Unitron Scientific, Inc., Newton Highlands, Mass.
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