The daily Minnesota pioneer. [volume] (St. Paul, Minn.) 1854-1855, 1855-08-11
LYONS COPPER LIGHTNING CON
DUCTOR.
PATENTED lilly 1874

AAALNAGD SCL1 1901
@ UPERIORITY is claimed for this Conductor over all
~ others in common use.
Frst-For the large surface exposed to electric atmos
phere.
when electricity is communicated to a coudensins
body it does not distribute itself uniformly through the
mass, but exclusively upon the surace.-Drapei s Chem
Second-For the conducting power of the material cop
has at least eight times the capacity of iron of the
tors equal iron rod five inches in diameter eop
per eight times good iron of the section In
conducting power and therefore to be preferred
scientific American, vol. x, no.
Third-For durability. Copper is little effected by ex
posture, whereas iron soon becomes covered with rust
in a few years entirely destroys it.
Fourth-The mode Of connecting This done BY in
terlappng the sections and rveng them with the
the electrical current a two fold surface.
Fifth-In respect to stability. The upper section of
other sections and still the additional strength
| required.
Sixth-As regards appearance, it is decidedly good
looking Its superiority other rods in this respect
is apparent to every observer.
Seventh-In point of economy. Why copper couduc.
tors have net been generally used sowng the expense
OF the material But by the present form of the rod eli
the advantages above named secured by first
the consumer but little exceeding that which has usually
been paid for the iron rod while from its superior
bility and stability to say nothing of the certain
protection which it Affords it will be found in
the end than the iron rod.
THOMAS ARMSTRONG,
General Agent for Minnesota and Iowa.
model of the rod can be the Pioneer Office
at the Merchants Hotel
All orders for copper conductors will be promptly at
tended to by the above agent.
st. Paul, August 7, 1855. dim
DoLBEAR,s WRITING AND BOOK
KEEPING ACADEMY,
liver the Store of Marshall & Co., Wabashaw
u street, will be kept open the entire year Hours Of
attendance from to IL 4. NJ, and from to TIM
By his system better business hand ACQUIRED in two
weeks than by the old method In years
All crampng Of the hand is entirely removed and the
pupil is enabled to write with ease freedom and rapdity
Dolbear's Science of Penmanship,
For sale at his rooms.
St. Paul, July %, 1858 ytf
From the Hon Thomas H. Benton, Senator from Missouri
WASHINGTON CITY, June 20, l843.
Levi Dolbear Esq.-Sir-Consdering o good hand
writing to be not only accomplishment, but
of success to every engaged in business greatly
raphy Of the age. A gentleman or lady either, who
writes badly, writes willingly and consequently
often fail to write when they should and when they do
write, is done at the last moment with haste and i'm
committing and inuring both the writer and the
which he advocates. Wishing you every your
laudabe undertakings, remain yours, respectfully,
THOS. II. BENTON.
From the Hon. Richard u. Johnson
FRANKFORT, KY, House of Rep, I
Jan. 22d, IS43. J
Dear Sir-l have received your letter of the Sd,
pressing your intention of visiting the West Indies, with
the expectation Of teaching the art of writing 1t gives
me great pleasure to give testimonial OF your useful
ness and great proficiency profession ano your
high standing citizen of reputation and good charac
ter; and wherever ysu may hope you may receive
the friendship and patronage of all honorable and good
men. am your friend and your obedient servant,
lev; Dolbear ESD New Orleans La.