New-York daily tribune., 1844-07-31
] r. MILLS 81 co.
T.
MANUFACTURERS OF CRANE'S PATENTTWELVE
MONTH GLOBE PENDULUM CLOCKS.
No. 1853 Fuit0n-St, Nep- YORK.,


Having enlarged their establishment are prepared TO
furnish my number to Order and wona respectfully cni the
decided advantages this Clock has over al other IimeAee
The great Improvement in the Time Part consists pnrc
paly the Escnpement winch may be called Fnctoness
caed Rotary or rofsoa fendula The Bali onf and
haf inches dnmeter-oi globuar form and hollow, md
an arm IN the form Crank revolving Of the hall
the sprng and the to perform acting
lever connected with the AT nnd the Paes or
which impulse i, carried through the Spring to the Ban and
keeps motion. The du!e.ccn stye longest
By Is beng twisted either FROM that state shortened and
the bali made TO e returning oy me REACTION o' the spns
and the force OF gravity receiving tie impulse from The mai-
tanning power at each return
There an rleguurity existing the common Pendulum
by @ OF power nsin: from mn increase o rcton thereby
enlng the impulse given IT, and shortening the 0 It's
will gain seconds day By vibrating in of three de
ee that By an increase of friction and loss o: power
which Is always the case. II will gain time.
Any difference OF friction maintaining power in this
Clock. will affect the by tin, endnum; its
o'ions vibrations rendered perfectly 'ochnna by the
m 5cs u a the o2R % s % III Tie as @ IN M upon
psuIe do not affect the time given by this pendulum. The
time would lose by the expansion o the spring length
accurately counteacted by the time It gains by n expansion
IA width and thickness. The improvement the Striking Part
consists prncppy IN the application Of Rotary Hummer.
Each part OF this Clock driven By spring equal TO
pounds o! weight for about fifty -four weeks wh wind
THE ADVANTAGES ARE
Lt. That LITTLE required setting up con
oi Il not BENG aae 10 Le beat other
.nd OIL the Pallet. of the Swing.
Of the revolutions Of the SWING " heel are sixty times less
IN other words aIty making mnny revolutions
The thirty inch second Pendulum Clock does IN one
year. And II requires than fifty times les. maintaining
power consequently very large amount es Of friction ard
weai than IN other CocaS; and therefore the motion much
more regular,
ID. It will year with once windinsup; silent,
other Than striking the hOur simple. easy adjusted aGd
regulated and when TN, time will not be altered sn other
Clocks by the difference Of temperature the density Oi the
or by HcrenSe Of cton II forms It's al
ways the equal time.
These CLOCKS have been operGton ebou. three years
One OF them placed the OF the American n,ti-
tute. The Cy Of York. IN May. l3lwas exhibited
AZ the Far October that yerr and Medal awarded with
the inscription nut very Ingenious piece Ofmechan.n
l. was then lett with Of the examining Committee until
the annual Far Ot the Institute October 1872
and again exhibited the Fa-Gnd examined By Commit
tee OF scientific gentlemen. and awarded second Medal with
the ms crDuon that had been fully tested.
u. Z. II. a1 CO.
iIve hand and intend keeping constant sppy oi Man
te S9ck, Of y-Hety Of patterns with and without ga,s
,iin=', running i!0fE one mont, thythree days.
year Q, ;e huE.:ed and seTeny five days VITA
gs also iaIge Time keepe ior Banks. ChuEches Pubic
HOueS, &c running yer with winding. 5ni viii
also manufacture III ofder Tur;e eeoe iowa C!ccas.
running from month 70 u year.
June srd. lS4i y3im