New-York tribune. [volume] (New York [N.Y.]) 1866-1924, 1878-06-01
SCIENCE FOR THE PEOPLE.

SCIENCE FOR THE PEOPLE.
A TEST FOR TIE CAPACITY OF COwS.-A COM
mission has been appointed cy the Governor oil fehsS
vania to examine and report on the merits OF SYSTEM
which undertakes TO determine in advance inc PIoo"'
Weld OF milk of cows by certain marks upon Tue AM
mails The marks chiefly in respect 10 Tue uisPoS'
ton and mode OF growth of the hair near the udder ana
prediction can made with certainty IL Is sau' "S W
whether the future Will he large prouu''l Vi HIN
II the observation is made on the young CALL even
shortlv after birth The discoverer OF TINS pfcuIaFA
was n French stock raiser, NJ Francis GGenOn ne hrs'
,rouucated ii about forty ago. since then TIE
theory has found favor with several French agricultural
sociees NJ Guenon has received medals ana peculiar!
rewards and many stock rasers III Eurore are sad 10
base their estimates Of the vane OF cattle upon TINS
system The mark the animal is called an escucheoh
The mode by which the value Of the system will he tred
In PENNSYLVANIA first have the State Commission
ers inspect the marks series of cows IN several
stables, make record OF the indications WHICH"
ers OF the animals These records are 10 be sent 10 me
Secretary Of the state Board OF AE1cultue' re OWL
crs of the will make statistical records OF he
of milk OF each animal and send them also u the stc
Board The two sets OF records VIII tEeh DC co,nitCu
done and il Is said that % per cent of the opnoi7
formed by escutcGcOn observation haVc 50 iai pFoNo'
correct
PROSECUTED DoCroRs IN MAINE.-Quite re-
$4,000 damages decided favor Of the defendant
The Boston Journal Of Chemistry speaks OF the case us
the fifth unsuccessful suit Within year. for damages Tor
malpractice. in PenobscO County The reason aSS'sueu
is that the does require the plaintiff to pay TAXA
bic costs in case the suit fails but the 'angor people
must have an unusual propensity toward litigation
The mere relief from expense IN these 1nsln zee
causes people to their doctors is supposed tt
unprncrlcd lawyers have undertaken Some 81 'Ae
suits on speculation.
THIS SUMMERS ECLIPSE OF TIE SUN.-A
pamphlet Is Just issued from the L. s. Nautical Almanac
Office at Washington which Professor Newcomb gives
particulars for this country OF the total solar eclipse 10
place July 20 Maps furnished for tie nEe OF
totaIity which extends over tie end of Mon
tana, across the Yellowstone National Park. through
Wyoming Territory, over Denver Col. down through
Norher and Eastern Texas entering the Gulf OF Mexico
between New. Orleans and Galveston. 1t will then pass
over most of Cuba and the southern portion OF santo
Domingo, vanishing from earth shortly afterwards
The breadth Of the toality shadow in ms
country Will be about 116 miles. The partial
eclipse will extend all over the United states,
Mexico and British America. Instructions are
given by which unsked observers. possessed or spy
glass and a watch may make observations on this
eclipse along the line of totally that are likely to be OF
nse Washington. II is mentioned incidentally
that the present astronomical tables sOuncerain that
there is difference OF four miles in the path OF the
shadow rs given respectivey by the British aud Ame:-
Nautical Almanacs. The pamphlet includes ala
gIam of the place OF important which may DC seen
near The sun during the moments Of eclipse. and sug
gests that sharp lookout should be then for ntrl;
tketchng are advised now to make drawings of the
SSd NAV be- carried ARE Gut w little trouble by those who
fayOrably situated as 10 locality.
AN AUTOMATIC TRUMPETER.-There is an
automaton exhibited in London which really plays tie
trumpet Wind Is supplied by Fellows. There is no IL
fusion about the performance. The fingers move the
valves which determine the note hold for the required
time rapidly no and down when TIM is given,
nd sto, VIII he
tunes have thus far been provided. Tho execution Is
good but the higher very agreeable. ard
there Is vet evidently room improvement. The in
yenor hopes TO complete an entire band OF "uomdtons
RECENT TELEPHONE INvENTION.-PTOfeSsor !
D. E Hughes VINO has invented the for in
creasng the OuGness Of sounds transmitted through
wire and telephone, is native of Kentucky Some dis
cusson priority of invention seems likely TO take
place between Professor Hughes and Mr.. Edison, or
yet more probably, between their respective friends
in his carbon telephone Mr. Edison unQuestonaby led
the way by utilizing his discovery the The resistance
of carbon, electric conductor varies when that
substance subjected very light pressures, such as
those Of sound. or even of heat waves. Professor |
Hughes, approaching the subject through different
path OF experiment. the same property OF carbon
increased power Of sound is obtained by having
the substance three more pieces pressed against
each other, and in Of Professor Iiughess expert
mens the pores OF the carbon filed with metal
mercury, platinum lead and iron having been tried IN
this manner. The feat OF rendering audible the tramp
Ing OF fy i certainly marvellous nONrltN,
Invention of Professor Hughes full OF promise |
but as patent it, there cannot well he con
test at law with Mr. Edison. If the latter should insist
that earlier device equally capable OF magnify
Ing sound.
A NAT AS A BURGLAR ALARM.-At meet
ing of the Franklin Institute a few c.enngs an
electric alarm dOor-mat exhibited. THIS mat, when
stepped upon. communicates signal or rings bell
The mat can be concealed under the CARPET or Gy Gov
erlng with some light material Perhaps II may also
terve record the entrance exit OF passengers from
railroad and thus be added to the number OF bell
punch inventions.
TIE PARASITES OF FOOD FIsHEs.-PrOfesSOr |
Leidy Of Philadelphia, has examined the subject OF the
alleged Injurious effects Of eating fish that have para
site worms lie finds the harmless except TO the
fishes. the time lie admitted his own ahtipathy
10 parasites aud said that lie always took PANS 10
ecrape them off the Of smoked herring that he ate
RELIGIOUS INTELLIGENCE.
The second Sunday Of June tomorrow |