Provisional Drill Regulations for Field Artillery 47 Inch Gun United States a
Provisional Drill Regulations for Field Artillery 47 Inch Gun United States a
United States. War Dept. General Staff
The book Provisional Drill Regulations for Field Artillery 47 Inch Gun United States a was written by author United States. War Dept. General Staff Here you can read free online of Provisional Drill Regulations for Field Artillery 47 Inch Gun United States a book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Provisional Drill Regulations for Field Artillery 47 Inch Gun United States a a good or bad book?
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DRILL REGULATIONS FIELD ARTILLERY. 33 PART IX. FIRING INSTRUCTION. CHAPTER II. THE CANNONEERS. SECTION III. DUTIES IN DETAIL OF THE GUNNER. 854. The range scale on the sight shank is graduated from 100 to 9, 400 yards, the least reading being 50 yards. The scale may be readily set by eye to read to 25 yards. To set off a range on the sight shank: The gunner moves the sight shank up or down in its socket until the desired gradua- tion is opposite the index. In setting the range he is careful to ...lower his head so as to look squarely at the scale and the index. The sight shank is moved up or down by means of a scroll gear operated with the right hand. If a considerable move- ment of the shank is necessary this mechanism is ungeared by drawing outward the scroll-gear handle with the right hand ; the shank is then raised or lowered with the left hand until the desired graduation is near 3 the index. The scroll-gear mechanism is then thrown in gear and utilized to set the scale at the exact setting desired.
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