Marshall County Republican. (Plymouth, Ind.) 1856-1878, 1862-06-26


ats spiral fianges stiffen the rod and the rough
edges disspate the electricity, and therein is much
better than smooth surface"-DR BoYsros
"The open fanges running spirally the whole
length Of the rod, enable the fluid TO freely ira
verse both surfaces and at the same time pursue
the spiral course natural to its movement."-PRoF.
BUcKHAN.
"When electricity is communicated to a con
Quoting body, il does not distribute itself uniform
~ through the whole mass, but exclusively upon
the surface. "-DRAPER's CHEMISTRY, page los.
cooper Is little affected by exposure, whereas,
iron soon rusts, and in a few years ceases to be
conductor. "-BEssos's ESSAYS.
A correspondent of the South Bend (fnd.) Re-
gister. of a recent date. says the frame DIV cling of
Nathaniel Frame, in Warren Township, St. j..
seph Co., was struck by lightning. The rods on il
were square iron. in pieces, connected by burs
nuts; the ELECTRICITY left the rod at the first con-
necton, and passed into the house, doing consider
able damage. During the same month. the dwell
ing OF u. ]. Bloomer, of Peru Tp-, same Co., was
struck BY lightning. Its rods we're of futed iron,
connected by burrs nuts. The lightning left the
jured Mr.. Bloomer and wife slightly, and damaged
the house to extent of 800. Mr. Writer'S
house, in German Tp., st. Joseph Co.. was similar
~ protected, ~ and being struck. the lightning
left the rod at the third nut and seriously damaged
the house. We have numerous instances where
buildings covered with iron rods, have been injur.
ed or destroyed by lightning. The School Board
OF keokuk, Iowa, recently decided to take down
the iron rods on their central school house. because
of their interchangeable building having been
struck by lightning and materially damaged-and
ordered the erection of Munson's Spiral Copper
Rod. We learn that Notwithstanding these facts,
the Iron rod pediers busy in ces..in quarters
circulating the most outrageous stories about the
copper rod. we caution the public against them.
IL Ill = - -
Copper Lightning Rod, five per cent. may be de-
Quoted from the premium note. No deduction for
Iron Rods."-FRoN RULES OF INDIANA FiRE In
suRANcx Co.
"Metal should display As much surface in lateral
dimensions possible. consistent with strength, 70
reduce intensity of action the surface and heat
ing effect."-ArrLEros's DIcrIoNARr OF MEcHAs-
les, page 4l6.
"Iron. on account Of its low conducting power,
Is more easily melted than copper."--CrcLorEDIA
or USEFUL AIRS, page 557.
"It is well known the greater the surface of the
conductor in Proportion 70 its mass the heavier dis
charge will IL be able 10 conduct safely. For in.
stance: . rod which Is Ga times - wide as il Is
thick, win conduct a charge about ~ per cent
greater. Without being melted. than rod which ID
square aud has the same cross ns."-MosEs
@. FARMEp, ELEcrRlcAL ENcISEER.
"The efficiency Of Lightning Conductors does
not depend much upon their power 70 attract the
lightning. Is upon the power of point to draw =
way, insensbly, very powerful charges Of electric.
ity from the electrified cloud, thus preventing the
disruptive discharge. SrLLInAs.
IL would not hesitate 70 commend Munson's
Rod to all who wish perfect protection from
cidents By lightning .-PRoF. BRowS OF TnE N :.
W. c. UsIvxasIry.
Orders may be scntby mail, or left at our Office.
No. l. Blackfcrd's Block, Immediately over Amer
lean Express Co.'S Office. Price twenty five cents
per foot, and two poIlars for points There 10 .
6ne field in this business for pedlers who buy ct
wholesale.
LOCKE & MUNsoN, Manufacturers.
1888 .s IsDlAxAroLis, Isp.