Amador ledger., 1908-02-28

Among the dangerous citizens late
ly recognized is the microbe carrier,
who immune himself and probably
unconscious of the misery he is caus.
! ing, spreads broadcast the deadly
germs of diphtheria, typhoid fever,
dysentery, plague, cholera, influenza,
spinal meningitis, and many other
diseases. The pathogenic microbes
simply survive in the body, in many
cases, long after the disease has
passed away. Referring to this new
ly considered source of danger, DR..
| Simon Flexner states that forty-two
years after an attack of typhoid fever
the typhoid bacilli we're still being
eliminated; plague baciIli have been
present in the sputum seventy six
days after recovery from plague
pneumonia; and influenza bacilli
have been found in the sputum one
year after an attack of influenza.
The discovery suggests new views of
immunity, as the pheomenon appears
to be one of adaptive change on the
that of the host.
The qualities of seed used by
planters may depend upon conditions
not yet sufficiently considered. Late
observations in switzerland and
Austria have shown that plants
grown from the seed of spruces of
high elevation, such as 5000 feet,
make much slower progress than
plants from seed of trees of lower
elevation, like 1000 feet. Other
characters, such as the weight of the
seed, length of growing period, and
possibly tendency to disease, seem to
vary with the situation of the seed
trees.
Pastries for preserving edibles,
already in considerable use in Eur
ope, appear to consist of some
aromatic preparation of carbon, and
when burned in closed chamb Der the
carbonic acid gas produced keeps
perishable food from change The
process is cheap, handy, and perfect
ly harmless to meats, vegetables or
liquids.
by demonstrating the old domestic
hand loom for use with power, a.
weaver near Chemnitz has opened the
way for considerable return to
textile manufacture in the home, not
only in SaXony but in other Iocali-
ties where electricity provides cheap
power on small scale. The new
loom is built almost entirely of
wood. 1t requires a space l01@ feet
in length, feet in width and 715 feet
In height, weighs 1900 pounds, and y
horse power is sufficient to run it,
The jacquard apparatus has been in
geniously applied so as to make I'M
necessary the ordinary heavy lifting
box. This household machine is very
quiet in operation, sells at $50 or
about one-fourth of the price OF an
iron mechanical loom, and the cost
of weaving in the early experiments
has been less than half of that with
the factory loom. 1t is to be adapted
soon for weaving manifold thread in
stead of the single thread of the first
model
The usual method of using solar
heat has been to concentrate the
SUMS rays by mirrors, but in the
simpler apparatus with which Frank
Shuman has been experimenting at
Tacoma, Pa, the direct rays have
been made to heat a boiler of black.
ened pipe coils enclosed in shallow
box with double glass top. An air
space of one inch between the two
layers of glass forms jacket prevent
ing escape of heat by radiation.
Water in the pipes generated steam
with pressure of 10 pounds, which
was made to drive an enIgne, and by
employing ether pressure of 30
pounds was reached. In warm eli
mates a good working pressure is
expected from water, thus solving the
perpleXing power problem of tropical
lands.
The old suspicion that tobacco
affects the heart and even plays some
part in arteriosclerosis- dreaded
thickening of the arterial walls so
coumon in human decay has been
confined by Aebrowski, a Russian
physician. Rabbits inoculated with
tobacco extract, with nicotine, and
with adrenalin all showed Tmarked
thickeninp and dilatation of the walls