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  2. THE EFFECT OF A MAGNIFIER ON DEPTH OF FOCUS.

    These magnifiers are marked on their mouths with the distance at which the subject should be to be sharp focus. Of course, the use of a magnifier for focussing purposes does not bring near objects ...

    Article : 202 words
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    Advertising : 93 words
  4. THE TORTURE OP ECZEMA.

    Eczema is the most torturing and obstinate of all skin diseases, and any person takes serious chances who neglects Eczema. This ailment the tendency to spread, and there is also ...

    Article : 306 words
  5. Photo [?] Focus.

    A negative varnish which will be found to answer for all the ordinary purposes can be made by diluting the white hard varnish sold at oilmen’s with live times its bulk of methylated spirit. It is well ...

    Article : 98 words
  6. DEVELOPMENT : ITS USE AND ABUSE.

    In a lecture with this title Mr. Marie told the Bristol Photographic Club that a shaken or rattled plate meant pinholes : where there’s air there’s oxidation—therefore, avoid dissolved air in the ...

    Article : 85 words
  7. LIGHT SENSITIVE PROTOPLASM.

    Sir Ray Lankester, in the “Daily” Telegraph” recently, showed how close was the parallel between and the camera, and told how many of the lower organisms which have not anything that can ...

    Article : 231 words
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    Advertising : 214 words
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    Advertising : 256 words
  10. FILM CRINKLING IN ENLARGER.

    When sandwiching the film between two glasses, it is a good plan to fasten the two glasses together temporarily by a bit of gummed paper (e.g., lantern binder, etc.) along two opposite edges. Or ...

    Article : 151 words
  11. METOL-QUINOL DEVELOPER.

    Any solution containing hydroquinone (quinol) that is of a dark colour due to age is risky to use, on account of the stain which is likely to result, for it is a stain very difficult to remove or ...

    Article : 68 words
  12. SPOTTING P.O.P. PRINTS.

    The application of a spot of water colour to the surface of a glossy P.O.P. print may take out the. spot which it is intended to hide, so long as the picture is viewed from straight in front of it, but ...

    Article : 129 words
  13. PUBLICATIONS RECEIVED.

    “The Desire of Life,” by Matilde Seras (from Stanley Paul and Co., London), will attract, all those who are familiar with this writer’s former studies in the unconventional. In the ...

    Article : 434 words
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    Advertising : 79 words
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