Handbook of Range-Finders, 70 Cm. And 80 Cm. Base, for Use of Infantry And Cavalry : With Description And Instructions for Their Care And Use, December 9, 1915
Handbook of Range-Finders, 70 Cm. And 80 Cm. Base, for Use of Infantry And Cavalry : With Description And Instructions for Their Care And Use, December 9, 1915
United States Army Ordnance Dept
The book Handbook of Range-Finders, 70 Cm. And 80 Cm. Base, for Use of Infantry And Cavalry : With Description And Instructions for Their Care And Use, December 9, 1915 was written by author United States Army Ordnance Dept Here you can read free online of Handbook of Range-Finders, 70 Cm. And 80 Cm. Base, for Use of Infantry And Cavalry : With Description And Instructions for Their Care And Use, December 9, 1915 book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Handbook of Range-Finders, 70 Cm. And 80 Cm. Base, for Use of Infantry And Cavalry : With Description And Instructions for Their Care And Use, December 9, 1915 a good or bad book?
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B. ADJUSTMENT FOR DISTANCE. These Bausch & Lomb range-finders have no adjustment bar, but are provided with an internal adjusting device. The adjustment for correction of errors in distance is made as follows: Turn down both Digitized by VjOOQIC 19 range-adjustment levers (R), Plate VIII, until vertical; this throws the adjustment me^rks into the field of view. The locking screw on the revolving collar (C), Plate VII, marked ''Stadia adjustment'' is then released and the collar turned imtil the... mark ''Stadia adjust- ment" is opposite the arrow on the instrument. The range-adjust- ment roller (D') is now exposed. The range scale having been pre- viously set to read infinity the single adjusting mark is brought exactly in the middle of the double adjusting marks by turning the range adjustment roller (D') (see fig. 11, Plate III). The position is then read on the scale (S), Plate VIII. Should there be any varia- tion in the reading of the scale (S) in the several trials the final ad- justment should be made by setting the scale at the average setting.
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