The new North-west. [volume] (Deer Lodge, Mont.) 1869-1897, 1873-03-29
NAVlaAIl0N IN SALOONS.
Prof Dssalsssa's Asstsl Voyage 70 b.

Prsf Ds,alssss's Assisl Voyage . Su-
sopo.
Reading Correspondence Of the New fork SUM-
Your correspondent again called on the
serposut. Washington II. Donaldson, re-
Gently, T., ascertain how for he had progress
eel IN the construction Of his gigantic sif
ship, the North America" which 10 u carry
him either across the OCEAN or to the bottom
Of 1t during TIC coming Summer. Reaching
his apartments. the whole surr"u ndiOgs were
indicative ut the acrODsni. Scattered ~
prUfusion around The room were models and
instruments Of various descriptions. Bar
ome,crs, anchors. baskets. bars, hooks, cords.
canvas sails, miniature balloons, gus gener"
tors. md oil the various articles used III lis
varied experience and calculations.
"You see." said til: scrDnaut, I'm over
my cars in this affair, and Il will claim every
moment OF my attention from now OF until
July, IN order u have things perfectly "r
ranged. l have just finished my plans.
specifications, and sketches for my ship. ana
l nm sl,solu,cl, certain that what | am nov
perfcc,ing will carry me TO Europe Is SUR
Is the sun shines Tomorrow MOrnlng."
'.Whnt l. this 2" asked your c"rrcsl'nd.
cn,, pointing to u miniature balloon filled
with gas.
"TLa,," said Donaldson, lis model OF
tho viii . the W'sp.' my new paper bal
loon. which is going to carry me To the
clouds us SON ns the ". Their modcrates sui
ficicntly II Is cur,ir,sc.l Oi Common brown
paper, and will cast inc just $0 30 when
completed. intend trying y" experiment
with IL when NJ an altitude Of half mite
! have patent parachute which wish I"
test. and u j" this shall experiment with
my paper balloon. by exploding It whs"
about 5000 feet high. TO sec whether I can
safely descend. l shall first ascend, aud
then shall open my patent parachute (thr
model Ot which hM,ks for VII tho world Ike
three lamp shades strung on sting ahou'
two feet aIart). SEQ that II il perfectly filed.
and part company with the paper balloon.
after having igni,cd y fuse, which will ex.
phxlc In q few seconds afterwards. u the
dcIigh. If the people below. With my par
achutc I expect u descend 10 TIC earth NJ
the rate Of mile On hour"
Donaldson then produced series Of d,a-
grams and drawings of his proposed mam-
moth cir ship. lie proposes u have one
large balloon which will have sufficient
p,wcr u successfully carry With him two
other supply Or smaller balloons. With
thrsc he says he con OH the larger bsIl'nn
In case Of loss or escape by leakage or con.
dcnSing, and when they are empty he pro
p"ses u pack them up, label them and tors
them into the ocean. which will relieve lhr
ship Of 2j0 pounds weight During the day
the floating power Of the gas dimi"isAcs NJ
the rate Ut about twenty five p'unds pet
hour, but at night the loss Is greater through
condensation. THIS loss, however, 10 equal.
lied Ivy expansion when day cOn,cs again.
If It should rain or be damp, disagrctsbIc
night, II would add weigh, u the balloon.
Suspended under the large balloon will H. .
mclullic lifcboat, with oars. sails, Condensed
food, water, instruments, haroneicrs, ETC,
ready for any emergency. Several marked
improvements will Nv made In the cons,ruc>
ton Of his boat. In order to test tho upper
currents he proposes 10 usc pilot balloon
The following aro The dimensions of thu
great balI'Nn: 1t II to bs eighty feet in
diameter, with . capacity If 208, 900 feet ot
gas. To construct II will require z, $40 square
yards Of cambrIc, and It will bc Capable III
lifting 10 The required altitude {, 36O pounds.
The weight Of tho gus chamber Of this mon.
strous cir ship will Nv 1864 pDunds, while
the ne'tings, etc., will weigh GOV pounds.
The two supply balloons will 10 80 fee. IN
diameter, which will require 374 yards of
material, with . capacity Ut 2S,OO0 cubic
feet, aid . lifting power of oSo pounds.
The weight Ut the swo supply balloons.
MEETINGS, ETC., will be $50 pounds. A small
balloon 10 save gas ~ It expands will weigh
~ pounds. making grand total VI lifting
power Vt 10000 pounds; total weight In
full about 4,(OO including rope, lifrbo.t.
provisions, instruments, ETC.. leaving for
passengers aud supplies 1000 pounds. This
outfit will he sufficient for Trip around the
worll, Or for month Ut least.