New-York daily tribune. [volume] (New-York [N.Y.]) 1842-1866, 1853-02-25
maebinsrp, &r.
DowKERs IMPROVED PROPELLER

D0WKERs IMPROVED PROPELLER
- The following crrticat, viii show 70 the pub &c
important lDprov us-nt over the propeller now IN zs
ug about the rate Of speed Of sde-wheel steamers.
Tow beats have the advantage OF presenting their side IN
close position the vessel tosged
With advantage may he applied for coastnz vessels
with speed OF u 70 IS miles per hour
This propeller applied to The steamboat b Forbes
with very satisfactory resUl OF which the certificates
EAST BosroS, Oct ~ 1889
We the unSersi med hereby certify that M Boyksrs
Propeller sppned the steamer X b Forbes IA June
1851 and think the boat propelled II to her
espscty she being il vessel The distance from
the Lew " nArf 10 the outer hght ~ mesl
pcatedy - minutes and the from Bost0n 10
fsstport Maine along the shore IN % hours wind
the time wind north, moderate breeze sal at 1ny
time. She also steamed rOn Portland Boston, wharf %
nss uakng % % s. atous per muute iessIre Of
steam p inches We think Mr.. BOwseFs propeller ap.
pied sharp vessel would give Der speed Of Ia to Is
miles per hquT with IS 10 81 resolutions per minute the op
sgned, GRlFFlrH' NORRIS, Cap.ain.
NATHAN HOLBROOK EnTineer
In my opinion Mr. Bow kers Propeller gave All he sped
20 he Forbe. that could b. obtained from her under any
eifounstaEess she beng full nods; and thai 1t will BE-
foErd fully equal 70 any For particulars Of the do
ms Of he 4 B. Forbes with Mr. ~kers Propeller
woue rer 70 the certificate Of hr CAp,An, Morrs aud
h. snsirser. Signed, CHARLES PERSON
- Treasurer and Marine Inspector
We Tie unaersisred fully concur In tLe oonion. sx
pressed N toe annexed C. ri.aee- and refer s.rne
ed By The Board OF DireeeIs q hs Relief Steamboat
Committee. j W. III. ADAMS Pr-.ldent
THOMAS c. SMITH
WIN y. PARROTT. ! Directorr
ISAAC SWEETsER \
JOEL BOwXER. IT. Esq.-DeaT sr tbist ,,o-n -
have WITH sed today IN RE Performance OF rhs Y a
Iorfts s;saner with your propeller artah@1 tha. Won ~
made this step 10 .TsDcs, IN The history OF pooa-. ~,
That WIN power IA Pnoper proportion thsr- can - NJ,
tozbf Z. vessel nay b. driven % auy required ,sed
there beiEs 10 PsrcePube alp TIE propeller s, ,tS
uax1sCui-for with a turns OF th- p-orly ~ - -
Of ) inc.-s OF s,e-m the boser. Ia n 80.
propelled Il miles per hour, whch n a. a., - .
eapabss VI csIng driven from ker uo4sl 49, 49,, -
bowed fa'-fccred ye-seL BIZ, voa ave- ,--.t - -.
improvement BY CLEANING grezr speed hy a. r-1.II
bel OF reToiuf0us con pared with ,- f,--y- ,a
l-s need Ihs nnsses th@ running OF The Bod pneb -
economical and much -e>ier tor the englne $1,000 1e
Respectfully your.
slgned, SAMUEL II POOE Naval A,-h,..r,
Nix Bow ser says; u with confidence rsc,rnTos,5
10 use End aIres usaE VAL b. fsappc InssJ In ir.
peTiormsIcr It's o. er1aou u the water 4. 4. f1
othrrs a. rs construction; does not pes. tne - -
ara ne Fcf1gnefT nd csQse cenrfuzsl FORE hu on
ire e1nrsry presses the yOi lrne 0; waer f md tyh
fs eeutsr directly parallel with The an IN b.Sts -
Inward roLcD, and u pr0poEro. % the revolT5r -
power, 81 move The ocdJ % winch L Is aaehed tb -
than oth-r prop-..ers IL possesse. tle -
- sirorsy ur<,d y J. b0e tengrser Of London ~ hs
No-k on propsLef~ w. bang placed fzr.sr f,-nTd ~
the dead wood q he Stern AID Will ke.p covered -
Ssy .nd tse peeuiar form Of tat p1r-on az r. g.
Of av,sel sctns a. - inclined plE.s IA, t-B5-scv -
PRES ue vhc.scl o-vsrt = sea-and H. s,r,.-1s -
ruTrf q TIE cIees oreT little Chstretiou or .,.n~
when c-scc .rs.e-ee a-e under preas II ssil.-
y hOW ASD \ son, AEents foy yex.York
The roeel nav Be zen II their Oo@ No "a Proaiv,v