New-York daily tribune. [volume] (New-York [N.Y.]) 1842-1866, 1853-03-01
Maebinerp, Sc.

ROWkERs IMPROVED PROPELLER
~ The following certificates viii show the public an
important nprov ment the propeller in use; sy.
IDS about the rate Of speed Of side-whee stearneu
elose POSITION 70 the vessel towed
With advantage he applied for ting ye.els
with speed IT II 10 Is miles per hour
tbs propeller was applied 70 the steamboat Forbes
will very satsfacory Tesul Of which certificates an.
East BosroS, Oct % 1852
We the urders cred hereby certify thst Mr Bowtss.
Propeller applied the steamer r. D. Forbes IN June
1857 and think the boat VS. propelled with IL 10 her
utnorf esrasity she bsinx fun y.ss re $780, a.,
the LEWIS NhA 70 The outer light - mesl was run re-
peattcy IS Minutes and the distance from Boston 20
Passport, Maine along the hore route IN - hours wind
from the north strong for l6 hours the remainder OF
the time wind north moderate breeze I'd sal set AZ .ny
time She also steamed from Portland Boston wharf 70
~ ~ - 'yu-iN NJ sal oct and the en-
steam D inches We think Mr.. Bowsers pr5peIleT an.
psa to ;srp vessel would CIV Der speed Of IA 10 Is
Signed GRIFFITH NORRIS Ctptsin
NATHAN HOLBROOK Enrineer
In my opinion Mr Bowkers Propeller gaye eli he med
to the FORBES that could BE- obtained from her ndr sny
slfeuIsAHee she being fall del, and II will b
found f1y equal 70 any For particulars OF The 10
Dss o. tie r b Forbes with Mr.. Bowkers PropeI.er
No1d refer 10 the certificate Of her Captain Mors "a
la engineer. Signed, CHARLES PIERsOS
po.,,. ~, N ,.., Treasurer and Marie Inspector
We, the undersigned, fully concur in tie opnio,. ar
pressed n he sheSed esrtheates snd refer % the sne
THOMAS c. SMITH
WM y. PARROTT Dip,cso,.
ISAAC SwEETsER,
JoEL BowKEE Jr- Esq.-De.E sir tbinE ,,o-1 .b,I
have witnessed to-day, n the Performance OF tbe p q
Forres steamer with your propeller attached ts you bav
se tnis sie Y aaNance, the hlstcry OF urooe-x -
Ihst win power n proper propoEtioa tere ena =. "a
ceptt = a vessel nay be driven % Az rr,u--S ,s
there beng 10 PeEeePtsie alp 70 re pr6pesr hi, d.
S-Elrm-'sE, with - turrs Of the prDnel - ,v,b -
cure OF > I.ebes OF steam the boiler. n. 49,.
~ss pfopeLte i miles per hour, which 4 "a at -. 80 .
eapabse Of d>ng driven from her model So bsing s
bowed t-tooFra vessel BEf you have prnr-s.i -.
improvement by coczl1lns % Ireat soeed by A. ..Il
nun Der o. revoutlcLs compared WIKI The fr5- ,,oo.
sEs ased Tbs makes tse running Of The Boat n1rb 80
eeorcGlea, and much eAzler for the engine '
respectfully yours
s.goed. SAMUEL Il POOK Naval lrrhs.sr,
ny boWksr says: II can With eocfdencs rseomr-na
H use and parties vii b. di-sopoin,sd In b.
rerfsr-1e. Its OperzOn the water /. a sr~n,fro,
Ne-c The frrphery and eause Centrifugal fc. bur On
re eeliEA-y presses the vo.lLac Of sssr from and s
Us eerfsr clrtety pzAiel SIfa The zfs IN a.. go -
NV 40 Eefor and m proportion the revolving r,s,~
PSNsr VA move the body % which ATTACHED ifh -
sp tra- ether prDpsier IL pose s.s te nd. -,
ssrensy E-gd By J. Bourne lenxrref OF LooSo-tt -
ort ca propesrS belaz placed further f,r,Z.-s .
We eesc wood Of the and viii keep Covered :,
asHr anc The peeu .ora Of that portion ~ tbe 80
81 tYes'eA ssrins a. an inclined ane has te,d.n-r -
Prr@ ne Nnes-cl forward ses-aDd The errr.-n- -
% ne o1aass os-r hike distraction on rsCu.rr.
W.T. ascorneetec ana Under 9 pres OF sal
J; HOWARD son Asents for Sex.y,rs
49, LAX. 1s! g i-l- .: L. --s, ~ Il s.ssl..y