, 1877-05-31
A'WA.TER-WONDER.
A Baltimoroan'a Astonishing Invontion-
TfopollinR noats Without Wheel or
SCrNw.

'OroAs"A A'"I@ htktaout "HCel OF
ScrOw.
About three ycars ngo an Intelligent MECHANIC
nf baltimore began to put into shape some ideas
ior hs @ concerning . xetcr ~ propellng power
manipulation boat co!lil bo propelled without
wlcl Or screw. With mn ts,ycntor's sublime
iaitll in tho correctness OF hts theory, ho gayo
i'ls spare m moments to putting llis IDEAS into
her In q trough 1fu "ttrcd up" with Kerosene
md rHtsod steam to work his pump. Tie cx-
pertinent with the working niotlei sutts1cl tho
inrontor TINT he wis on the right track Dnt
bgtweun that moIul md the trim little Alpl,n,
which ran down the bay On her trial ycstcrtlay,
there was wide guilt of hopc, disappointment,
iiaru work, aud expectation. At o'clocl,
Yesterday afternoon Mr. Georgo q. Caldwell,
t5c itye,!tpr; t Capt Jeremiah Cottcrcl, a'aster;
NJ John Alcrn, bllefncas ngent; and Mr, Wm..
Warren, who has a.lta Mr.. CALDWELL wcnt on
hoard at tho Long Dock. accompanied By rcp-
rcsentatiycs u the press. Tho Alpha Is Baltl-
moLe1nllt s , boat, constructed On tho tugboat
Is atoat- She 10 fortythreo feet IN lcngts, n,lil
has ten and halffcot Of beam. She ia furnfsf,-
cd Filth one stxtccn-hnrsc power horizontal
tubular boiler, and q NJ. Knowles pump.
pfpc which strike the water about three feet
loncnth tho surface. Two similar lines run TO
tue DOW. Tho pump drives through each ptpo
two and halt lneh stream, which enters tho
pounds Of stealn tho pump !natcs 1870 strokes to
the Minute. oaeh stroke driving strram Into
thc body Of water. This Is al there Is about
this wonderful device. AMI yet, under nil the
which yesterday enabled tlie Alpha to n,aks ten
Knots MI hnnr under sixty pounds pressure,
Ihure was nut rtppto ngtcrn, and no pefceptt-
ble displacement Of tho water, except tho littlo
backed aud turneu with perfect case. I" hars
tho in'at tho stream 10 driven through tho bow
roszlcs a1a tho craft obeys osI the Instant. X
t,e oai were TO spring n!cak, THO pump would
sx S Il w 1Sfx ' iepP easea sS% % 1 S4 sa e. q
yIded with this appliance could not sink urttcr
ordinary leakage. For prudential reasons thoro
were NJ experiments in this limo yesterday, A
rentarkablc @ ~ feature q tho Caldwell contryanco
70 accomplish this the nozzlcs arv worked
alternately from sltto to side, using tho strcntns
ns lcscret on tho principle Of tho oar. There Is
YET anoehcr uso to which this dcvlco can bo
docks. line 0f hose is attached to tho numu,
and iu sccuud there Is sloattng steam o1Iainc
which at least hold its own with anything on
wheels. TIC inventor claims TINT his dcvlcu
i is mainly Intended for canal service, who're
mol viii shu baaks. M H. pecSd.sd cnwsl. 'as se,afas w!
that 1 bott tc drst and after cost Of his inyr1l-
tom VIII @ 9e iar less t1tan that Of ANYTHING now
and ITO part Of 1t couil he carried away by acci.
dent or design. The wsoie thing Is 10 sjtnpIo
that there IL not nlcl. to gut out OF or,lcr, anI
nnthinE that could not easily be repaired. Tho
attcinpt 0f tho British Government is 18GO 10
apply water as prnpclII,,g power to vessels is
The only similar effort within our knowledge.
Tho Water Witch was propelled .by streams
forced out at the sides, rotury fan supplying
the power. Tho Water Witch achieved 4
failure and retired from business. iii. Call-
"clrs Invention has been patented In Europe,
rs well ns iu this country.