May, 1881.
THE WEST SHORE.
3
USEFUL INFORMATION.
NlW CONCLUSIONS Tui PilOTONlONI. Th
opiaioa ia gaining ground, especially among
French raxxmU, that the musical sounds pro
daoed by Prof. Bell In duki o( various sub
stanoes, each a mice, IndU rubber, metal and
wood, by holding thm in th path ol a rapidly
interrnptcd beam of light, ar really du to
heat and not to light Radiophonio note,
luoh ia th new term, have been obtained by
M. Meroadier from ordinary gai lamps without
employing leneea to oonoen trat the interrupted
beam, by limply bringing th receiving diak
near th eouros. Even a plat of oopper heated
to a bright ted heat produoed very diitinat
musical tone, whi jh gradually died away a
th plat oooled to a dull red followed by ob.
aounty. Th faot that when the reoeiving disk
ware 00a ted with silver on th aide next th
light th affeoU wen feeble, and that when
ooatad with absorbent lampblack they were
trong, would am to tell againet Prof. Belle
oonoluaioa that th eounde were due to light
It ia a eurioui faot that when tb radiometer
waa Bret brought out by Dr. Crooks he inti
mated hi belief that it rotation waa due to th
impaot of light waveci but heat ii now known
to be the oaun of tb motion.
8mai.l Pitllivi and Short Bilts. Pulleys
that are too email form a aerioua defeet otten
found in oar manofeotoriee, and the are a,
peoially detrimental when double belt an
uaed, beoaoa th double belt will not lead to
ao small a curve a a aingl belt will, heao
there U lee oontaot with th double. Small
friotion wheels, or belt-tightening wheels, again
waste tb power, running too fast, and then
for involving extra wear and friotion. Short
belts, as peoially vertical ones, an very waste
ful in th transmission of power, and if tb tin
shafting ia at right angles, no possible arrange
ment of either bevel gearing or Hat belt will
giva such satisfactory results as V belts, pro
vided that the sisee of th pulley are properly
proportioned) that th thioknsss of th belt U
suitable; and tb angle of th V ii also prop
erly proportionad to th requirements.
AiHti Ail Em aar. A manufacturer whoa
bnsineee require th us of large amount of
emery, ha bee trying an experiment with the
ashes of aathraoita ooal, and he allirm that be
ha obtained good result from th use of ah
as a wbstituU for th finer grade of mery.
if take ash and saturates them with water,
th liquid being poured off after steading an
boar r two, then being poured off again, and
o natil h obtain eeverial grades, down to a
nbttitat for emery floor. When dried, tb
deposit onto readily and Uaree a satisfactory
suriaoa,
1
Organ pipe mad from paper hare been pat
ented by OUe Beech, of (iloverville, N. 1.,
and at bow ia atifatory as. Tneee pipe
poeeees important advaatagaa, being lighter, Im
perrioa to moisture, anal tared by venation of
temperature, soon aily transported aad with
greater safety. The too produoed are not in
terior to thoee of metal pi pea.
To Pairiirr Corrosion m StiilPiks. Ac
cording to the Iftmilnr drt Watts CAJmiees,
this oau b doae by placing them for half an
boor ia a eolation of ealphato of oopper, and
then letting tbm dry slowly. Of aoare tb
prooees (imply gives tb te a thin ooating of
oopper, which is not likely to b affected by
any of th ink ia ordinary as.
Haidevixo Part. Paper oaa ba hardened
witboat destroying its pliability by the follow
ing prooees: Pass tb paper quickly tbroagk
strong oil of vitriol aad wash thoroughly ia ran
aiag water) or nee hot syrupy eolsUoa (squ
ees) of sib chlond. and noee qiickly aad
thoroughly la water etintalalng trao of aoda.
SCIENTIFIC AND MECHANICAL.
Road Matiriaml "Whinatons ia th most
durable of all materials, and wherever it 1 well
and juiliuioualy applied til roade are compara
tively good and cheap. A road mad of small
broken aton to th depth of 10 Inches will be
smooth and durable. Ordinary-aised wheels
touch the road for about an inch of their oir
oumferonoa, and vrv pieo of ston put Into
th road which xoeed an inch In any of it di
mension is mischievous. Th stones should be
broken ao that none shall axoeed six ounoaa in
weight Every road la to be made of broken
stou, without mixtun of earth, olay, chalk, or
any other material that will imbibe water and
be affeoted with frost. Nothing is to be laid on
the clean ston on pretenoe of biuding; broken
ston will combine, by it own angles, into a
smooth, aolid surfao that cannot b affected by
vioiaaitudea of weather, or displaced by th ac
tion of wheels, whioh will pas over it without
a jolt and consequently without Injury,",
L, M'Adam, on HoaJ$,
Siovrinq Glass in 8KTUuiiTHRoora and .
A noent English patent shows what aeama to
na a vary convenient and reliable way of fasten
ing sheet of glass In skylight trainee of either
wood or iron. In th oaa of a wooden rafter a
pieo of sheet lead ia out three and one-half
tima th width of th rafter, laid aoross th
rafter, projecting equally on ithr aide, and
nailed at intervals. Th lead 1 then doubled
back over the heads of tha nail to th oenter of
th rafter on sithsr aid and turned up at a
right angle. Th glass ia then laid and th lead
turned down over the face of th glass ao that
when finished th lead onvera the glass th same
width of tha rafter. If T iron la uaed for a raf
ter th lead ia doubled under tha edge of the
T instead of nailed, as ia th oaa of wood, and
in all other respect bandied juat th sain
as with wood.
A Nrw Wiiiti Lead 1'rooma. Th produo
tioo of whit lead hu given ria to various
prooees es and improvements, on of th moat
recent of th alleged Improvemente la this lin
being aafolbwsi v ery fine ground litharge is sub
jected, ia a mixing reeecl, to a salt brine, by
tha action of which shlorid of lead and caustic
aoda an produoed. This mass I then run Into
an iron vessel, into which oarbonio aoid ia
pumped, oauaing a furthsr ohsmioai ohango ia
tha production of oarbonat of lead and oora
moa salt one more, and tha latter, being
washed out from the whit lead, may b used
over again a ia th Drat operation. It la stated,
however, that though tb artiol produoed in
this way ia very whit aad ohamioaUy pan, it
ia somewhat lee heavy than that mad by tha
old prooaaa,
To Distinguish Amur Horn of th way
of diatingaianing amber from 00 pal an thua
given ia L Hatwt: "Copal ia yellow, of a
on or I deep tint, but uniform throughout,
and ha yellow point like sulphur on Its sur
(ao. Amber ia fragment of 12 oeetimeUra
ia length will show a variation la shade. Am
ber when rubbed will yield a strong aromati
odor) ita imitations will not Amber may be
bent after being smeared with tallow aad
heated 1 tke latitat! 00s will not bead. Amber
nuy ba out sawed, reaped or polished, but can
aot ba oemented or soldered Ilk oopaL Th
density of amber i I.W to l.ll that of copal
Tmi Buii or tni 8xr. M. Chappuls thinks
that tb blu of th sky may b da to esoo
prissnt ia tb ipper region ol th air. Ha ar
gue that th sieotrioai discharge oooalaatly
taking plaa will prod so 0001 aad tha raosat
researches of himself and M. Ilaotefeuille bar
showa that oaoae, at any rat whea near its
ooarl ealioa poiat I 0 a ble tlat. Ha ba
exaatiawd the abeorpUo epeetram of oaoa aad
flode aiae dark baads ia It, tare at Wast of
whioh aorreapoad with kaowa beads la tb tai
lari ipootraat.
DOMESTIC RECIPES.
Juliet Cormin'i way with Pot atom. Live
then a 000k with a son) so dead as ant to ba
willing to axpsud all th powers of flra, water
and salt to produoe mealy potatoes t If so, tha
writing of bar epitaph would be a oheerful task.
And it cold onss are left they oan rehabilitaU
thsmsolve in favor by appearing chopped,
moistened with whit asuc or oream, and
ither fried In butter or baked quickly, with a
oovering of bread orumhe. 8 team fried, that la
sliced rsw, put into a oovered pan over th fin.
with butter and asaaouing, and kept oovered
until tender, with only enough stirring to pre
vent burning, they an oapitaL To fry them
l.yonnaiee sty Is thsy an oooked la their Jack
ets to keep them whole, sliced about a quarter
of an inch thick, browned in butter, with a
little slioed onion, sprinkled with ohopped
parsley, pepper and salt and served hot
lArdod. they have bits of fat bam, or bacon in
serted In them, and an baked tender. Not
well that th mors supeditlously a baked potato
la oooked and eatou th better II will be.
Floatino Im.au 11 -Msks a boiled oustard of
th yelke of six eggs, a large quart of milk,
sugar to aweeten and a pinoh ut salt The
yelks most b well bran and strained befon
adding to th milk. Flavor tha oustard and
while boiling hot pour into a dish and spread
tha whipped white smoothly over th top.
Cover tightly to 000k th white. When oold,
sift powdered sugar over the lop, and yua may,
If you wish, strew over grated ooaoa-oiit, or
bit of Jelly or Jam,
Plum Puihuno. On pound of suet, chipped
fiu on lb, of English currents) on lb, of rai
sins) on and a balj lT-a. of flour) cloves, cinna
mon and nutmeg, ons-half teaspoonful sach.
On larg tablespoonful salt Mix all well to
gather, then add two cups sugar, 00 oup
molasses, aevea egg aad a half pint swset
milk. To b made over night, then put In a
sloth and boll four hours. To b eaten wilb
sweet sauoe.
To Uxmov Tar. A correspondent write
that "tar la Instantaneously removed from
hand and finger by rubbing with th oulsid
of fresh orange or lemon peel, and wiping dry
Immediately after. It ia astonishing what
email pieo will clean. Th volatile oils la th
akin diaaolv th tar, and so It oaa b wiped
off."
To Dmmolvi Hiuvax mom Platid Oooi.s.
Mil oaa ounce of finely powdered saltpeter
with ton ounces sulpburio acid, and steep th
good la thii mixtur. If diluted with water,
it act oa oopper and other metal, but la vary
strong, It dissolve th silver only, and may b
aaed to dlssolv off plated good without affect
ing tb other metals.
Ptiamiual Hiiimt-A Cairo (Egypt) dW
patch of May ii aayai " Meapero ba Jest
opened lorn more pyramids of tha Hakkara, an,
closing tb tomb of tb king of th fifth dy
naety. Tb mortuary chapel of each aontala
about HO square meters of th smalUst aad most
closely wntsea testa, giving preeise detail of
tb religious belief of that ee. ll ia a aoea.
pleto emip it gnu to th Ostri Maemt the
ory, aad all prertoa oaosptlon an entirely
peat Ksoept th fiadini of tb KosetU ston
la I71W. ao discovery la Egypt equal tbi la
oieaufl valaa, Th aaUaa paescg I dilfi
salt aad daagcroo oa aonaut of th loose
bloeks that eocember it Aa Amerioaa Kgyp
tolngiet aad a aurraspoadeat an th oaly per
oa allowed to visit the Interior with Maspero,
Th latter iplorar retara to Pari Mil avmlh,
and will pabiiah the dlewvered toll. AU th
Hakkara pyramid, about SO la aamber, will be
opeaad aa aooa a pcawibla