The San Francisco call., 1903-01-26
SOME ANSWERS
TO QUERIES BY
CALL READERS

sUTRO TUNNEL-Reader. City. The
] SutrO tunnel was commenced in 1859 and
was completed July 8. 1878.
/ AT HOME CARDS-R. a. B., City. In
/ sending out first at home cards the sender
/ should send to married couple one adj
dressed to Mr.. and Mrs. -; IL there
are other members Of the family a sepa-
rate card should be sent 70 each whose
presence at the at home is desired.
( WINE-B, City. If you made wine in
coal oil cans and buckets and finished
the process after fermentation in an old
discarded galvanized cylinder. no wonder
your wine is unit to drink. Wine should
not be made in anything but casks, and
these in perfectly clean condition.
SMITHSONIAN INSTITUTION A
Reader City. If you have some curios
you desire to offer to the Smithsonian In
stitutiOn address a communication to the
Smithsonian Institution, Washington, u.
c. There is no occasion in such a case for
addressing the letter to any particular in
dividual.
EDISON JUNIOR-F G. b, Stockton.
and W. s.. Sacramento, Cal. The address
CT William Edison Jr- Is Stone
street. New York City. To one Of the
correspondents this department will say
that If a letter was sent 70 him at that
address and no reply received 1T Is pos
sible that the letter miscarried.
LARGEST HOTEL-F. g., City. Those
most interested in such matters say that
the Hotel Ponce de Leon. in Florida. Is
the largest hotel in the world. II has be-
tween 1900 and 1900 rooms. The second
largest is the Waldorf-Astoria. In New
York. with 1900 rooms, and then the Pal
ace in this city, the third largest, with
1910 rooms.
INsURANCE-A Constant Reader. GIL
roy, Cal. This department does not ad-
vertise any kind lOf private business and
for that reason does not answer your
question as to whether any company in
this city insures any particular kind OK
risks. Correspondents desiring informa-
ton Of that character should always send
with the letter of inquiry a self-addressed
and stamped envelope.
COPYRIGHT-Inquirer City. No one IL
entitled to copyright after article has
been published. Newspapers that publish
articles with the word copyright over
them. even though such articles refer to
events that occurred the day before. have
a right to do so. A proof of the article is
deposited in the mail before the article Is
printed addressed to the Librarian of Con-
gress at Washington: then. after the
printing Of the paper two copies thereof
are mailed to the Librarian. A person
desiring to copyright an article on which
such is granted should address a commu-
nication to the Librarian of Congress.
Washington, d. c.. for a blank form OF
application, which will be forwarded free
of cost Such blank gives all information
to the mode of procedure.
DIAMOND TEST-W. H, Oakland. Cal
II you have what is said to be a genu-
Inc hut IT,
diamond" pat 1t into a leaden or plati-
mum cup with some powdered fuOrspar
and little oil Of vitriOl. Warm the yes
sci over some lighted charcoal in a fire
place or wherever there Is a strong
drGught to carry away the nOxious va
pOrs that will be eopiOusly evolved. When
these vapors have ceased rising let the
whole cool and then stir the mixture with
a glass rod TO fish out the diamond. II
you find 1t intact it Is a genuine stone.
but if il is not genuine il will be corrod-
ed by the hydrofuOric acid that has been
generated taround it. A small paste dia-
mond" would disappear altogether under
the treatment. This Is a test according
to MassimO Levi. an Italian chemist.
FOREIGN Subscriber. Ala
media, Cal. The officers of the foreign
service of the United States are divided
into two branches, diplomatic and con-
sular. The former, called in general dip
lomatic agents. includes ENJOYS extraOr-
binary. ministers plenipotentfary minis
tiers resident and secretaries of legation.
These ambassadors have the right to ne
gotiate treaties and generally to repre-
sent the government in the state to which
they are sent. They sent only to
great nations. Ministers resident are
accredited TO less important nations. but
their powers are about the same as those
OF ministers plenipotentiary. Consular
officers include consuls general consuls
and commercial agents. Their chief du-
ties and powers are connected with com
merctal interests, to protect ships sea-
men and other Americans, to send home
destitute seamen and to give certificates
for various purposes. They are sent to
the principal ports or markets of a coun-
try.