 | American School (Lansing, Ill.) - Architectural drawing - 1906 - 426 pages
...several minutes and hung up to dry If the paper has been recently prepared and the exposure property timed, the coated surface of the paper will now be...strength of the sunlight does not strike the paper, as, for instance, if clouds partly cover the sun, the time of exposure must be lengthened. Assembly... | |
 | Howard Monroe Raymond - Machine-shop practice - 1906 - 716 pages
...good plan to arrange a tank having an overflow, so that the water may remain at a depth of about 0 or 8 inches. The length of time to which a print should...strength of the sunlight does not strike the paper, as, for instance, if clouds partly cover the sun, the time of exposure must be lengthened. Assembly... | |
 | Drawing - 1906 - 424 pages
...the water may remain at a depth of about 6 or 8 inches. The length of time to which a print should bo exposed to the light depends upon the quality and...strength of the sunlight does not strike the paper, aa, for instance, if clouds partly cover the sun, the time of exposure must be lengthened. Assembly... | |
 | Ervin Kenison - Mechanical drawing - 1906 - 54 pages
...the water may remain at a depth of about G or 8 inches. The length of time to which a print should bo exposed to the light depends upon the quality and...strength of the sunlight does not strike the paper, as, for instance, if clouds partly cover the sun, the time of exposure must be lengthened. Assembly... | |
 | American School (Chicago, Ill.) - Engineering - 1906 - 580 pages
...the water may remain at a depth of about 6 or 8 inches. The length of time to which a print should bo exposed to the light depends upon the quality and...strength of the sunlight does not strike the paper, as, for instance, if clouds partly cover the sun, the time of exposure must be lengthened. Assembly... | |
 | American School (Chicago, Ill.) - Engineering - 1906 - 586 pages
...G or 8 inches. The length of time to which a print should bo exposed to the light depends upon tho quality and freshness of the paper, the chemicals used and the brightness of the light. Some paper ia prepared so that an exposure of one minute, or even less, in bright sunlight, will give a good print... | |
 | American School (Lansing, Ill.) - Architecture - 1907 - 360 pages
...the blue-print paper is taken out and thoroughly washed in clean water for several minutes and hung up to dry. If the paper has been recently prepared...strength of the sunlight does not strike the paper, as, for instance, if clouds partly cover the sun, the time of exposure must be lengthened. Assembly... | |
 | Alfred E. Zapf - Drawing - 1907 - 472 pages
...plan to arrange a tank having, an overflow, so that the water may remain at a depth of about 3 or 4 inches. The length of time to which a print should...strength of the sunlight does not strike the paper, as, for instance, if clouds partly cover the sun, the time of exposure must be lengthened. Blue print... | |
 | 1907 - 474 pages
...water may remain at a depth of about (i or S inches. The length of time to which a print should bo exposed to the light depends upon the quality and...chemicals used and the brightness of the light. Some paper ia prepared so that an exposure of one minute, or even less, in bright sunlight, will give a good print... | |
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... water, leaving a white copy of the ink drawing on a blue background. If running water cannot be used, the paper must be washed in a sufficient number of changes until the water is clear. It is a good plan to arrange a tank having an overflow, so that... 
