Nature, Volume 99Sir Norman Lockyer Macmillan Journals Limited, 1917 |
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Página 278
... laboratories , in addition to a model lamp factory , in which the results of laboratory investigations are tested and developed on a manu- facturing scale . Another laboratory is maintained for testing and standardising the products of ...
... laboratories , in addition to a model lamp factory , in which the results of laboratory investigations are tested and developed on a manu- facturing scale . Another laboratory is maintained for testing and standardising the products of ...
Página 409
... laboratory created by the French Photographic Society , which has done good work for the photo- graphic profession and trade , and , more recently , for the kinematograph trade . By a decree passed in 1900 it was decided to widen the ...
... laboratory created by the French Photographic Society , which has done good work for the photo- graphic profession and trade , and , more recently , for the kinematograph trade . By a decree passed in 1900 it was decided to widen the ...
Página 465
Sir Norman Lockyer. FIG . 1. - Laboratory car , Pennsylvania Railroad Company . FIG . 2. - Heat treatment laboratory , Pennsylvania Railroad Company . FIG . 3. - Locomotive testing laboratory , University of. THIS SCIENCE AND INDUSTRY ...
Sir Norman Lockyer. FIG . 1. - Laboratory car , Pennsylvania Railroad Company . FIG . 2. - Heat treatment laboratory , Pennsylvania Railroad Company . FIG . 3. - Locomotive testing laboratory , University of. THIS SCIENCE AND INDUSTRY ...
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