Translation 2783

.... ;34
drawn together by several coils of the line.
the ha.rpoon i s forcibly t:-trust backward; the
t^e ü,:.r.^^oon ._;;ay i^. t^_e ,..^a 1e' s bOc ,y-. 'i}e
harpoon to the outside line lies in a groove
The bomb is of truncated-cone shape.
lower end of the cavity being threaded.
h e
j:ffien the bomb e::p7.odes
barbs sprea.d out and hold
counlin^; that joins the
a long tire harpoon shaft.
it is hollow inside, the
bomb is made of cast-iron,
weighs sli^htly more ti.an 8 kg, and is 400 mm long. The diameter of the
lower section is 110 mm. :t3ef ore the bomb. is screwed into tue harpoon
the hollow is filled with explosive pot.Td.er.
!lmmunition.
`.i'hecaxtridge-•case is made of brass and holds the
firinz; charge. It is of trurcated-cone sha.ne.
--l 'he f iring, éhar.g•e is prepared from i7}3--i 1-130-100 nitro i--,ilycerine
powder. The charge weighs 210 grams. it is detonated with ordinary
(not smokeless) :DR? No. 2 gunpowder weighing 15 grams. The charge is
placed in a calico bag with a double bottom, into which the detonating
powder is poured.
The wadd.?nis a mass of cellulose, intended to keep tïie charge
confined in the car tridge--case .
The capsule insert is intended to detonate the explosive charge.
It is threaded, and is screwed into a socket in the cartridLe-case.
The bomb charge of powder explodes tne bomb, which is thereby
fragmented into sor.ie 30 pieces of varying size. The bomb contains 525
grams of No. 2 smoky large-grained powder.
A GKT detonator sets off the bomb explosion.
Whale-line.
Each line (port and starboard) is 1,100 metres long.
One end of it is firmly attached to a stanchion in the hold, and it is
;)a.cked in the ro-ne--box in clockwise coils. of ecual size. The other end
passes through a spout-stopper to the deck, and is wound on the steeringdrums
of a winch; then it runs through the movable block of the shock--
a.bsorbing system and the deck reels to the gun in the bow, and through
the bow reels to the side of the ship,. where it is firmly attached to
the ha.r_poon--line.
Formerly manila rope 175 riim in circumference was used
as whale-line; now nylon. rope is used.
The har-noon-].ine also is made of artificial fibre; its circumference
is 110 Y.un, and its length 100 metres.; the breaking strain of
th,, nylon line is 18.5 tons s
z :.o.^.,_^.1.•, tool^^ , ^l•re com-:.,rosso.r_ no^zle is d.esi,^,ne