This historic book may have numerous typos and missing text.
Purchasers can usually download a free scanned copy of the original
book (without typos) from the publisher. Not indexed. Not
illustrated. 1917 edition. Excerpt: ...to superimpose a small
charge of fulminate, its chlorate mixtures, or lead hydronitride,
upon organic nitro compounds or nitrates in the detonator shell.
The detonator is usually of the "reinforced" type, (fig. 1) in
which an inner perforated shell is pressed down over the charge.
The sensitive fulminate composition, fired by fuse or electrically,
detonates the secondary explosive, thersby transmitting the impulse
that causes the blasting explosive to detonate. Priming charge v
Reinforcing cap This plan of superimposing an initial primer upon a
secondary explosive in a detonator shell offers an excellent
arrangement, not only for practically working out the best
combination for commercial detonators, but for studying
theoretically the process involved in the transmission of the
detonating wave from the initial primer to a secondary explosive,
and has been used by several investigators." USUAL METHOD OF
PERFORMING DETONATION EXPERIMENTS. The experiments are usually
carried out by weighing into the copper shell a fixed quantity of
explosive (trinitrotoluene, pricric acid, guncotton, or the like),
and varying the weight of primer until the minimum quantity
required for certain detonation is ascertained. It is obvious that
the method may be used either to compare the relative sensitiveness
of explosives toward the same primer, or the relative efficiencies
of different priming compositions in detonating the same explosive.
a See Wohler, L., and Matter, O., Beitrag zur Wirkung der
Initialziindung von Sprengstoffen: Ztschr. ges. Sehiess-u.
Spreng-stofiV., Bd. 2,1907, pp. 181, 203, 244, 265; Martin, --,
Uber Azide und Fulminate, Darmstadt, 1913. Storm. C. G., and Cope,
W. C, The sand test for determining the strength of detonators: ...
|Country of origin:
J. K. Clement
||246 x 189 x 5mm (L x W x T)
||Paperback - Trade
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