Worcester daily spy. [volume] (Worcester [Mass.]) 1850-1888, 1858-06-15
CUSHMAN's ELECTRO CONDUCT
~ oRs FOR LIGHTNING.

CUsHMAN's ELECTRO CONDUCT
~ oRs FOR LIGHTNING.
Cushmans Lightning Conductors have been before the
public for several years. and pronounced by scen
ic the most perfect Rod in use, for protesting
buildings from Lightning In this rod combined the
following general principles to wit: Large metallic
face, perfect continuity of metal and freedom from oXd
aton 1t is perfectly continuous having no joints coup
ngs out preeents an even unbFoken metallic surface
from the point to the earth This rod is made of fur cop
per and four iron wires laid together in spiral FORM
to make perfect metallic contact having at its base,
where enters the earth, large surface OF zinc and cop
per plates or cylinders, which produce sufficient gal
Vantc action to keep the paris free from Wherev
er this rod known it the best conductor
in use. For proof, read the following:
Yale College, New BaUen Conn.
g. D. CUsHMAN-Sir:-I have given due consideration
to your letter. and the structure OF the portion of
Lightning Rod which you have transmitted to
ey approve Of the Rod and Of the views and reasons
stated by you submitted it to an eminent scientific
mana pl actica mainland he agrees with in opn.
ion. Yours respectfully,
BENZ. sILLIMAN
amherst College, Mass.
s. D. CUsHMAN-Sir;-I have been much pleased with
your conductor for electricity which you It
seems to to me that you have hit upon very ingenious
method of avoiding the difficulties belonging to the
lightning Rods which have refer particularly
to JOINTS and Rust suspect that from these causes
most of the rods in sort of protection
Your experiments to prove that the rod is not good
merely in theory 1t will of take long time to
get rod into use, bnt should like to yours
EDWARD HITCHCOCK.
GTLiberal Inducements offered to men who under
stand putting up Rods to travel and sell this Rod in diff
ferent parts OF the New England States
For further information call in person, or address by
mail, D. H. TANNING,
Agent for the New England States,
my12 d&wsm No. Frontst Worcester Mass.
RAR IRON AND SrEmL
IRON
IS tons assorted Swedish Iron fat and square.
10 6 best Norway Bar Iron.
100 T" assorted best refined Iron, round 6at, and
square.
50 tons ahafting Iron, from Ii to inches round.
Of an inch.
tons q. B. horse-nail rods.
10 d horse and ox-shoe Iron.
&c " Vest Norway rods. and shapes assorted.
-oopand band ZION, from to inches wide.
20 best Gendon Iron.
5 g Lowmore Iron, assorted.
OVAL and half-round Iron.
Sheet Iron.
STEEL.
tons sleigh shoe Steel, (Bwedish)
best cast Steel (Ssnderson, Bro. a Coz
round machinery Steel.
q English spring
German
Blistered ~
Corking
Fisher & Norris Cast Steel Face Anvtts ana
Wees. Best English An0sIs and Vices,
Horse RospS and Files.
NUTS and WASHERS AXLE-TREEs and BOXES
ELLIPTIC SPRINGS, BLACKsMrTHS BELLOWS,
BLhoKsMITH's sEA coal. OHIO AND NOVA
NDsTONEs.
Horse Nails made from the best o. B. Iron warranted
NIB. P 81. are also Agents for ADRIoNAO AMER.
TCAN CAST STEEL.
IN The above viii be sold on the most favorable terms
BY the subscribers the old stand Washington Square
wrceSter. Oct. /. 1854 decd