The Wheeling daily intelligencer. [volume] (Wheeling, W. Va.) 1865-1903, 1884-07-29
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It is raid that the rate Of the filtration
Of the water supplied by the various water
companies to London does not In any case
exceed $40 gallons per square yard Of filter
bed in "a hours.
In a paper by Profs. Ayrton and Perry,
read lately before the Physical Society,
London, there is a prediction thst before
long gas engines will be employed in the
propulsion Of vessels.
A short time sgo q steamer with a barge
for Moscow arrived at Sensational Tor MAJ.
settles. This is raid to be the first instance
OF direct communication between the Med.
iteranean and Moscow via Ssbastopol.
Soap bubbles which will last a very long
tins for laboratory experiments are gener.
ally made Of this solution: Dissolve one
gramne Of dry Marssilles soap in 100
gramn"a Of warm water; filter, and 10
every 100 cubic centimetres OF the liquid
acd 40 gfammes Of white sugar.
To produce q pure black upon wood the
following receipt is given: Pour four
quarts Of boiling water over one ounce #
powdered extract Of logwood, and when
the solution is Effected add one dram Of
yellow chromate OF potassium, and stir the
whole well. Repeat the application OF this
mixture until the wood is dark enough.
A new form Of pyrometer has been plan.
ned by Messra. 7. Carnelly and 7. Burton.
Through q coil Of copper tube which is
placed in the furnace, oven, &c, q constant
current OF water is caused to l,w. The
temperature Of the over is estimated by
the difference Of the temperature OF the
water rs it flows into and is,ues from the
coil.
During the fractional diatillation OF
aaorine MI. ". r. Hodgkinson noticed
the formation OF an orang..red substance,
which he considered likely to be an oxida.
ton product, It's isolation, however, is
extremely difficult, as it decomposSs when
distilled in a vacuum, and is tq1ally solr-
BILE with tho hydrocarbons which accom-
pany it. e
The transition resistance supposed by
Bolgendorf to exist in electrolytlc cells .be-
tween the surface Of the electrode and that
OF the electrolyte in contact with 1t has
lately been investigated with great care by
Professor J.. Gordon Maceregor in solutions
Of very pure zinc sulphate, using electrodes
Of amslgsma,ed zinc. The conclusion
arrived at was that such a transition res:s.-
ance, II it exists at all, is lees than O.Ol25 Of
ohm.
Silyeroid is the trade name given to a
close.rrained, brilliant, white alloy,
regarding the composition OF which little is
known beyond the fact that cadmium en-.
teIs into it. 1t is intended to take the place
Of the brass, bronzs and gun metal classes
Of alloys, and il all turns out to be true
which is spoken in III favor, it will soon do
90, especially in the manufacture OF articles
which must be strong and capable Of tax.
ing a fine polish.
In a lecture on the mysteries Of color MI.
G. A. Storey treated the study Of color in.
der. the figure Of a Language, describing in
turn the letters, the words, the eentenca
and the song, and having given a historical
OF the ancient schools OF color he
by urging the organization Of a
school for color, as we'll as schools for draw.
ing, because such an institution would be
invaluable both 10 the architect and the
artist. The address was delivered before
Society for the Encouragement Of the
Fine Arts, London.