Text-book of Ordnance and GunneryA textbook about artillery, gunnery, and ordnance. |
Contents
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Common terms and phrases
acid ammunition amount angle assumed austenite axis ballistics black powder bore breech block burning surface calculated caliber caliper carbon cartridge cast iron cementite charge compression constant containing cooling corresponding cradle cross-section curve cylinder density determined diameter dimensions elastic limit elevation energy per pound equation explosive exterior ferrite field gun firing Forged steel formulas free recoil furnace gases gauge maximum pressure grain granulation grooves hoops howitzers igniting increases ingot interior pressure jacket large calories loading martensite means metal moisture molugram mortar muzzle velocity nitrocellulose nitroglycerine obtained outer P₁ pearlite perforated piston primer produced projectile R₁ radial range rate of combustion rear reduced resultant stresses rifling rotation screw shown in Fig slide smokeless powder solvent specific heat spring square inch strains tangential temperature tensile tensile stress thickness tion top carriage trunnions tube u+lo volume weight wire
Popular passages
Page 584 - Cl Cr Co Cb Cu Dy Er Eu F Gd Ga Ge Au Hf He Ho H In I Ir Fe Kr La Pb Li Lu Mg Mn Hg...
Page 610 - Design. Decoration. Drawing: General; Descriptive Geometry; Kinematics; Mechanical. ELECTRICAL ENGINEERING— PHYSICS 7 — General and Unclassified; Batteries; Central Station Practice; Distribution and Transmission; Dynamo-Electro Machinery; Electro-Chemistry and Metallurgy; Measuring Instruments and Miscellaneous Apparatus. 8 — Astronomy.
Page 584 - Rh Rb Ru Sm Sc Se Si Ag Na Sr S Ta Te Tb Tl Th Tm Sn Ti W U V Xe Yb Y Zn Zr...
Page 47 - Avogadro's hypothesis that equal volumes of all gases under the same conditions of temperature and pressure contain the same number of molecules...
Page 610 - MATHEMATICS 9 — General; Algebra; Analytic and Plane Geometry; Calculus; Trigonometry; Vector Analysis. MECHANICAL ENGINEERING lOa General and Unclassified; Foundry Practice; Shop Practice. lOb Gas Power and Internal Combustion Engines; Heating and Ventilation; Refrigeration.
Page 567 - The case of the dummy cartridge is tinned and provided with six longitudinal corrugations, also three circular holes in the corrugated portion. The tinning, corrugations, and holes afford unmistakable means for distinguishing the dummy from the ball cartridge, both by sight and touch. The bullet is the same as in the ball cartridge. The dummy primer has cup and anvil, but no percussion composition. Guard cartridge.
Page 440 - I/;:7- is introduced to make the whole area under the curve unity, ( / e~x"'"T''dx = xA, thus obviating the necessity of dividing a partial area by the whole area whenever a probability is to be computed. As stated above, the area under any part of the curve divided by the whole area under the curve is the probability that the deviation of any shot will lie between the limits of deviation represented by the part of the axis of X between the limiting ordinates. The area under the curve is...
Page 484 - ... pounds. The head of the case has a projecting flange or rim under which the lip of the extractor engages. The center of the head is bored out to form a seat, into which the primer is forced. These primer seats are first mandreled to near the finished dimensions with a...
Page 291 - In this discussion we will designate by the term aperture the cut through the piston, and by the term orifice that portion of the aperture open to the flow of the liquid; and we will consider for simplicity that there is but one aperture and one orifice. Let A be the effective area of the piston in square feet, that is, the area of the piston minus the area of the piston rod and aperture. The square foot is taken as the unit of area, because in the velocities involved in the discussion the foot is...
Page 554 - For higher or lower temperatures add or subtract 1| foot for each degree of Fahrenheit. If a wind blows with or against the movement of the sound, its velocity must be added or subtracted. If it blows obliquely, the correction will evidently equal its velocity multiplied by the cosine of the angle which the direction of the wind makes with the direction of the sound.* If the gun be fired at each end of the base in turn, and the means of the times taken, the effect of the wind will be eliminated....