Evening star. [volume] (Washington, D.C.) 1854-1972, 1926-02-03

not eVloent IN single corpuscI0
which appears of a light straw color.
cells are seen together, the mass ap-
pears bright red.
Q. Where IS the Oldest observatory
which IS still in existence?-D. NJ.
"A. AT the meeting of the Interna-
tlonal Astronomical Union, Cambridge,
England. Sir Frank Dyson. Astron-
omer Royal, stated that the Oldest OK.
listing observatory in Europe was at
the Vatican.
q. Are the tramways OF Australia
government-owned property?-A. T.
A There are estimated to be 621
miles Of tramways, 4s2 of which ara
electric, S6 steam. As cable and
| Morse The governments control 45s
miles, municipalities l16 miles: the
rest less than one-tenth. is privately
owned.
Q. Do radio stations select their own
letterS?-L. o.
A. They are assigned by the Radio
Division of the Department of Com
merce.
and what It is used form NJ. z.
A. 1t would not be easy for a Law
man to determine the presence of van
adium. Nanadiurn is an element, It
does not occur native, but is found in
the United States in the minerals car
notlter metaheWtyite, roscoelite, vana-
dlnlte. descloizite, voiborthite, CALICO
Volborthite. tyuyamunite and aegirtts
The great use Of vanadium is as
component OF the high-speed tool and
! other steelS. Fanadiun is also used
| n
and bearing metals. Small quantities
OF Nanadium salts are used IN various
chemical industries. Eanadium is
found in Arizona, Colorado, Montana
Nevada, New Mexico, Oklahoma and
Utah.
O. What device is used 10 keep
ships from rolling?-G H L.
A. OF the various appliances adopt-
ed to reduce rolling, the most impor-
tant and successful are biige keels, the
| general conclusion arrived at being
that the rolling is diminished by two
! thirds by the adoption of such keels
Transversely extended water cham
bers, filed to a suitable height with
water. have been found TO reduce roll
ing about 20 per cent. A weight au-
Dramatically carried from side 10 side OF
q snip has been found to reduce the
rolling by about one-half The gyro-
scope has been found effective in Civ
ing steadtness TO vessels in rough
seas.
Q. What is the derivation of the
term "Wop"?-J. K.
A 1t is shortened from "wappa-
rousa, SICilian lUcalism for a good.
for-nothing fellow.
Q. How many miners are there in
the world?-B. T.. l..
A. 1t is estimated that there are
about 100000 miners throughout the
world. $500. 600 OF these being coal
miners and others engaged in the va.
r!Ous other kinds of mining.
=. Why is a mausoleum so named?
p. G..
a. The name is derived from the
tomb erected III Halicarnassus to
widow. Artemisia. It was built about
80 &c.
When in doubt ask Frederic J. Has
H'n. the director Of The Eucnino Star
| Information bureau He offers him
self as target for the questions OF
our readers. He agrees to furnish
| facts for oil 1cho ask. This is a loros
| contrdct-one that has nerer been
fIlLed before. 1t lCould be possible only
In Washington and only to one trho
hos spent q lifetime in locating
sources of Information. Hdsktn does
not knotr all the things that peopie
ask him. but ne kn01cs people t0ho do
hnotC. Try him. state your question
briefly. acr'te plainly and incIose e
cents IN stamps for return postage.
Address Frederic J. Hdskin. director,
The ETCniHO star Information Ba-
fedu. WASHINGTON D. G.