Essex County herald. [volume] (Guildhall, Vt.) 1873-1964, 1891-07-24
POPULAR SCIENCE.

The weight of the circulating blood
is twenty mine pounds.
A vein of quartz gold was recently un-
covered at Craftsbury, Vt.
Habitual divers in salt water often
have inflammation of the eyes. The ex-
posure such diving neccssitatcs is not
beneficial.
Phosphorus is now being made by de.
composing a mixture of acid phosphatcs
and carbon by the heat of an electric arc
within the mass.
1t has been found after elaborate cx-
periments that sewage can be more eff
ciently filtered through open sand than
through sand covered with soil.
To prevent the evaporation Of water in
fire pals it has been suggested that fiji.
teen to twenty drops of oil will form
coating sufficient to obviatc the diff
Guilty.
The apparent flattening of the vault OF
the heavens has been found to have au
annual period and to depend on clouds.
1t seems least lat with misty horizon
and less by night than by day.
Colonel Koslowski has discovered
fresh water lake to the south of the
sea Of Aral in the depression known as
Aibu.ghir 1t is fed by stream run
ming from the marshes, which are over
flowed by the ANU Daria, to the north.
east.
A new safety match has been patented
in England by Belgian, who places on
| different parts of the same match two
compositions which, in ordinary safety
matches, are generally placed respectively
on the box and on the end OF the match.
In obtaining light the match is broken
across the middle and the ends rubbed
together.
DR.. Giraud's recent experiments In
France in the transformation OF the ther-
mic energy Of combustion into electrical
energy, and the consequent generation
of heat have resulted in the construction
Of stove which may possibly, when
modified aud perfected, come to rcvolu-
tionize our present modes Of heating
dwelling houses.
Macaroni should be used much moro
than it is. 1t is very good substitute
for potatoes when that vegetable is scarce
and high, as it is this year. Many ply
sicians object seriously to the use Of old
potatoes after they have begun to sprout,
aud on their own tables use macaroni in
stead, The simple ways of prcparin. thl!
dish everybody knows.
A handy lamp holder has been de
vised, whereby perfect comfort can b'
secured for the eye, while n bright light
is maintained. The holder can be place.
in any desired position, and by use of
"half shade" the light can be concen
trated on any subject, desk, n type
writer copy stand or a piano, and al
strain on the cycsight is avoided.
A dentist has called attention to
singular fact connected with denta
operations. 1t is surprising to note tn
few, even among experienced operators
who stand (or sip at the left side of tn
patient when scaling the teeth Of tina
side or operating in many of the case
which can be so much better and NOR
comfortably reached from that side.
The settlement of the position Of th
French accent was recently attempted
France by means of the phouautograpl
the measurement OF the record ben
made by tuning fork. 1t was fcun
that even in the shortest syllables the "a
is capable of not only hearing the ton'
, but of detecting fine shades and ditfcI
ences in the mode of pronunciation.
. A comprehensive study of the inhucnc
of forests on the daily variation of ii
temperature in Germany and Austr
shows that the. absolute value Of the il
; fuence in woods of given kind OF trr
is affected by the degree of density (
/, the wood, being higher the denscr Il
wood. The fact of whether the clima
= is oceanic or continental also affected ii
result.