Military Topography And Photography
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In our eReader you can find the full English version of the book. Read Military Topography And Photography Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Military Topography And Photography
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Schniffer's Method. It is usually better to orient the picture trace by the tangent method explained above, but it may occasionally be desirable to use the method explained in this section. Procedure: (1) Draw radials from s through the plotted points a, b and c (Fig. 39) ; (2) at a convenient point aj on the radial sa, draw a line parallel with radial sc ; (3) upon this line lay off distances ajbi and bxC! equal respectively to the horizontal distances of the images of A and B and B and C on t...he negative; (4) at bi and c^ draw lines parallel with radial sa, producing them so as to intersect radials sb and sc, respectively, and then through these intersections draw a line hh* this line is parallel w r ith the desired position of the picture trace ; (5) on line hh 1 lay off distances hb 2 and b 2 c l equal respec- tively to ajbi and b^, and through points b 2 and c 2, draw parallels to radials sa intersecting the radials sb and sc respec- tively at b 1 and c 1 ; (6) through b 1 and c 1 draw a line inter- secting the radial sa at a 1 ; this line a^c 1 is the required posi- tion of the picture trace.
What to read after Military Topography And Photography?
You can find similar books in the "Read Also" column, or choose other free books by Floyd D Carlock to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Schniffer's Method. It is usually better to orient the picture trace by the tangent method explained above, but it may occasionally be desirable to use the method explained in this section. Procedure: (1) Draw radials from s through the plotted points a, b and c (Fig. 39) ; (2) at a convenient point aj on the radial sa, draw a line parallel with radial sc ; (3) upon this line lay off distances ajbi and bxC! equal respectively to the horizontal distances of the images of A and B and B and C on t...he negative; (4) at bi and c^ draw lines parallel with radial sa, producing them so as to intersect radials sb and sc, respectively, and then through these intersections draw a line hh* this line is parallel w r ith the desired position of the picture trace ; (5) on line hh 1 lay off distances hb 2 and b 2 c l equal respec- tively to ajbi and b^, and through points b 2 and c 2, draw parallels to radials sa intersecting the radials sb and sc respec- tively at b 1 and c 1 ; (6) through b 1 and c 1 draw a line inter- secting the radial sa at a 1 ; this line a^c 1 is the required posi- tion of the picture trace.
What to read after Military Topography And Photography?
You can find similar books in the "Read Also" column, or choose other free books by Floyd D Carlock to read onlineMoreLess
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