By Alfred Koerner
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EXPERIMENTS in most cases CHEMISTRY: INQUIRY and talent development ways the gen chem. lab event with a mixture of test kinds: ability construction, Guided Inquiry, and Open Inquiry, which will maximize details and talents within the minimum volume of lab time. There are 28 experiments with Pre-Lab inquiries to assist you organize for the lab prior to time, Post-Lab inquiries to make stronger the middle techniques of the lab, and an invaluable appendix of universal techniques and ideas that gives easy access to easy laboratory info for in case you want it.
Additional info for A description of the Hotchkiss revolving cannon : with tables giving results obtained in experiments made with it
PRINCIPAL DIMENSIONS AND WEIGHTS OF THE H OTC HKI SS REVOLVING FORTIFICATION GUN. Cal ibre Total length of bore Length of rifling Rifling, 0ne turn in 52mm 156o""" [226 1111 0 Twist and depth of grooves unifurm. 5~~~m o. smm 3 PRINCIPAL DIMENSIONS AND WEIGHTS OF THE AMMUNITION. Weight of body of projectile , , percussion fuse , , bursting charge Total weight of projectile complete for firing Length of projectile Charge of powder I. o 8okil · 2 . 00 0kil 210mm 45 Compar in~ far more r ound s destructive weighing necessa ry 2 various effects, the inventor is of O,Jtnio n that ~l to fire 2 k;l result may be obtained from each, from three to this four g un du ring projectiles to 40 30 the weighing time perhaps 5 to 3dB· from a large ordinary fortification gun.
The cases arc separately placed into the feed-trough, and from this they are automatically distributed to the barrels and fired. The construction of the carriage is also similar to that of the Revolving Cannon. A traversing apparatus on the gun enables it to be pointed 111 a horizontal direction as well as in elevation, without moving the trail of the carriage, and the balls can thus be distributed over a sector of a circle within its range during the fire, by adjusting the traverse. The gun has no movement during fire, it being of sufficient weight to resist the recoil of each discharge.
00 0kil 210mm 45 Compar in~ far more r ound s destructive weighing necessa ry 2 various effects, the inventor is of O,Jtnio n that ~l to fire 2 k;l result may be obtained from each, from three to this four g un du ring projectiles to 40 30 the weighing time perhaps 5 to 3dB· from a large ordinary fortification gun. When rapidity can be combined with accuracy of fire the e ffect is certainly great, and the advantage is gained, with a ra pidl y-firing gun, to be able to produce a terribly destruc- ti\·e fire in dq:isive moments in an engagement, so that this g un, \\'o rk ed systematically and with d eliberation, will no doubt produce very fonnidable effects.