New-York tribune. [volume] (New York [N.Y.]) 1866-1924, 1896-04-05

Yezo was chosen. notwithstanding the added OK
pense OF storing the yacht for sN months an send
ing her around Cape Horn. So r'ih as much ot th"
apparatus as vas ready slowed away. the Coror.t
sailed from New-York on December ., nyng tho
Amherst coors and under The command Of Captain
: c. Crosby When the party is finally aboard
the trip Will be continued by way Of Honolulu.
wnere. II time permits. TWO weeks are to be spent
IA soon as Yez0 II reached Professor Todd rnd
the accompanying scientists Will Rave TO iiN upon
the mos, promising place for their stations. and
then begin preparations at once Akeshi. win TIA
convenient harhor and n"ishhoring hs. - - ~ ~"
HEADQUARTERS OF the party.
To make the success Of the expedition ~ much
of n certainty possible" Professor Todd viii have.
besides a main station. two auxiliary stations % FAR
apart as possible At each Of the latter the insiru-
men,. will be only Photographic telescope and
on. OF Two cameras: they will however. he O: much
value in supplementing the work Of the main station.
During the entir. winter work upon the apparatus
has been going under the direction Of Professor
Todd: in this he has been aided 10y T.. \. Thomp
son ~ Amherst. who Is going as head mechanism.
end Ms son. Herbert Thompson a recent graduate
Of Massachusetts Institute OF Technology.
In the workshop II The laboratory these thre"
have devised mechanical me- for controlling al
the Instruments the main station by electricity.
and nave not Only made the plans. but have con-
structed almos; all the appaistus Several thousand
dollars have been saved M, re-. III Of heir If
fort. one instrument in particular. the electric
commu,ator. which IL to control everything, would
cost $500 or $3.50 n male to order. At almost
expense this ras bsen constructed from material
close at hand: II consists Of l0-rch copper cylin-
der which makes complete revolution one"
minute This mas pins all over It's surface. Just
music box with a set Of fifty keys. each of which
control by electric connections, the Photographic
appliances Of a many telescopes As a pin N a GER
tain row comes into contaci with us particular key
the circuit is closed, the plae-drum Of one u the
photographic telescopes revolves ana fresh plate
Is ready for exposure. all the shutters are opened
and closed by this system. As many - DnD Of
these contacts are possible, but a comparatively
small number will be required. perhaps 1000 This
comuutator will be only at the main station. where
al large a number Of Instruments are to be used
that attending to each one individually would he
out Of IN. question. by It's a.d absolutely nothing
need be done ny observers after the cylinder
f. set In notion except 10 see that no hi;ch occurs
TO spoil the careful adjustment OF The Instruments
A GREAT ARRAY or INSTRUMENTS.
A, ,he main station viii he many twenty
fve dinercn Instruments with axes all p1secl fol
lowing the sun all TIE time. and controlled by the
single commutator. There vii. he at least ten tee.
scenes ten cameras. three soectroscopes. and two
no,arscopes The cameras vary from one 10 five
niche. in aperture These will be used to take photo
,r,nhS direct from the Each telescope VIII have
,,s own photographic arrangement. since. 1t must
b. remembered observations OF totally made by the
human eye are not TO be relied upon the cameras
will accomplish more lasting results.
All this collection OF twenty-five pieces is to be
mounted on platform eight feet square, resting on
an iron frame such Is shown In the illustration.
The photograph Is OF one OF the frames for the sub
s,ations which Is smaller and lighter and has a
much smaller platform. but II similar In every par
ticuar The smaller ones Of two inch and the
other Of I'VE inch steam pipe. Three posts are
buried In the ground. making. when joined hori-
sontai letter T. The piece running diagonally up
right II pivoted at tire base Of tho T and points