The sun. [volume] (New York [N.Y.]) 1833-1916, 1893-04-16
LIVINGSTONE
DIED HERE.
1lala, May ]. 1873.

vantage Of relative cheapness in their favor.
the usn OF magnesi has been proposed as a
substitute for plaster Of Paris for casts. also.
and powdered marble.
Data concerning temperature and ventila
ton have Ct late years largely accumulated
and are certainly OF great practical Importance
In their relation to health and comfort. es-
bsrs OF people are habitual occupants. In an
office building. for instance. assuming that
f sssn Of Pe 'aSout 2" Ia 9f SSanas. c o%f9 }tssS "A 2io sn S SaSie
81 eP1 So '"1 the .n nambt.ss, q u Units sa : Of df'RR sst tSas
an hour Now. it It Is aseer rtaise e By % ea Sao
d oi eoa sS'S Ssed in m makins sts sant for a a pf1 sirIS
; sn n', to io f1Sl.ps p sl1sss 'a 3 iot to H ihGt 81 II; rs
%bich o Viii fAe aSst limits; sa s5nseen R9q hnas Of nd Ice;
coal will. accordingly. reduce the temperature
Of the supply. of mir for one person for G4
estimating the price Of coal at So per ton. and
tbat the air is to be- cooled for ton hours a day.
thousand people an hour.
The economizInR Of zinc in battery work, as
now proposed by D'InfrevilIe. consists in
using for the Zinc electrode a number OF pieces
adapted for connection with ono another in
filled to preserve the connecting parts from
The action Of the battery liquid. 30 that a par
italy consumed, piece may be connected or at
ter. aftor being partially consumed. and while
tho nrst, piece is still In course OF
mented By " !" fresh piece IN tim. time. q the sp Io%er
piece OF zine hesGming entirely consumed,
WIS aItHenNu. and so on. 40 that nrnpfipallv
every piece Of zinc introduced Into tie battery
being. n It's turn. entirely consumed. Tho
to a considerable extent; thus. as the zinc can
at an, time DO put oyer another partially con-
time for the replacing Of a worn.out zine. and,
ms beipg the case. the matter Of economy.
3 advantageously subserved.
One OF the most widely discussed subjects
at the present time among astronomers is the
phenomenon OF proiectiles. and to Flammarion
Is due one OF tho most original and valuable
contributions in this line. though differing in
his views to a considerable extent from those
In the relation Of proiectiles hurled from the
toward { the sun would simply fall upon it, and
q body cast in the opposite direction from
the sun would penetrate far into the depths Of
space. ~. by any exceedingly rare chance. the
Saturn. Uranus or Neptune. thus modifying
its course; ut its return. however. 1t would be
attracted by the entire solar system instead Of
by the sun alone. and would come back to-
ward the. point OF the terrestrial orbit whence
II started. this happening at each revolution.
AS long rs tho earth was not encountered To
arrest and terminate its career. Flanmarion
: also Of the opinion that. II he earth formerly
proIcctiles, they all. whatever their number.
return and cross the terrestrial orbit at every
revolution. and they reach 1t with the velocity
of comets and shooting stars. that 10. with the
velocity caused by solar attraction added to
their own. velocity In a word. not simply with
tho circular velocity Of the earth's annual
revolution about the sun. 1880 metres n seq
ond. hut with m e~llipticRl velocity having q
limit OF Al 100 metres.
Not many improvements are recorded now
adays In the manufacture of matches. but 1t
has lately been proposed to substitute for the
ordinary article u novel kind OF paper arrange
ment described ms resembling in it's general
constructlon the "oiled tape MEASURE used by
para ninsd paper ENCLOSED In .nstallie
alter the manner. OF tho fame measure.
and at regular. intervals, on the paper
are small points covered with an ig-
hitting substance. In practice one has only to
give the end OF the paper n smart pull. bring
Ing the igniting point IN contact with a small
steel plate. aud q light Is stuck which burns
slowly and evenly. and. on the roll being thus |
exhausted from use, n fresh one can Be In
serted In its place. Matches OF this description |
c IN Do manufactured with great rapidity and
ut very small cost |