The San Francisco call., 1896-12-25

wish 70 be possessed of one would be willing
to give for it. This department. cannot ADVISE
you as to who would be propaple purchaser
of the paper you have.
BALLOON GAs-L, Haywards Cal. The buoy
ancy of a balloon depends on the weight OF
the gas with which it is inflated, compared
with the weight of common air, bulk Tor bulk.
Hydrogen is the lightest Of all known sub
stances A cubic foot of atmospheric air at
temperature of "a degrees weighs 527.O4
| troy grains, while q cubic foot OF hydrogen Is
about fourteen and half times lighter Coai
| gas is about two and half times lighter than
air. III balloon would contain 1000 pounds
of atmospheric air at temperature OF "a de-
grees Fahrenheit, but filed with coal gas,
would weigh, all told, covering, gas ana ap-
! pendages, 600 pounds. it would rise with a
| force equal to the difference of these two num-
| bers, or400 pounds.
ROCKY MoUNTAINs-A. s., City. The term
Rocky Noun tains implies the mountain sys-
tenn of North America. The name is some
times applied to the entire mountainous
region in the western part of the continent ex-
tending to the Pacific but 1t is generally re-
stricted TO the series of ranges which extend
from Mexico through the United States, north
northwest and through British America, ex-
elusive of the Sierra Nevada, Cascade Noun
tafns, Coast Range and ranges of the
Great Rasin. Among the chief ranges are
the C9ur d'Alene Mountains, Bitter Root
Horn, Black Hills, Crazy Mountains, Shoshone
Mountains, Wasateh Mountains, Medicine
Bow Range, Front Range, Sawatch Noun
tains and Elk Mountains. The system tra-
verses Colorado. Idaho, Montana, Wyoming,
Utah, New Mexico. The chief peaks are Blanca,
given by one authority as having an altitude OF
IA, ,464 feet, while Mount of the Holy Cross is
given as Ia, ,167 These are located in Colo
RADIO. Another authority gives the altitude OF
the last named as IL, 600 and the Big Horn
Mountain in Wyoming as $4,000 feet, which
yronld IN a 70 haca q hiphAgt in the Rocky
Mountains of the United States. Pixies Peak.
Colorado, is IA. 147; Longs Peak, 14,271; Grays
Peak, Co dorado, 14,341 Mount Harvard, Col
orauo, ID, ,375; Uneompahgre Peak, Colorado,
1925.
BOYS IN THE NAvY-A. S., City. The follow
ing from circular of the Secretary OF the
United States Navy is full answer to the
several questions asked:
Boys between the ages of IA and II years may,
with the consent OF their parents guardians. be
enis. ed to serve in the navy until they shall ar
rive at the age of 81 years. No minor under the
age of Ia ears, no insane or intoxicated person
and no deserter from the naval or military service
of the United States can be enlisted. Boys en-
listed for the naval service must be of robust
frame, intelligent, of perfectly sound and healthy
constitution and free from any of the following
physical defects
Greatly retarded developmeut. feeble constitu-
tion inherited or acquired: permanently impaired
general heal h, decided cachexia diathesis or pre-
disposition: weak or disordered Intellect; epilepsy
or other commissions within five years; impaired
vision or chronic disease of the organs of vision;
great dulIness OF hearing chronic disease OF the
ears; chronic nasal catarrh; ozsepa. polypi, or
great enlargement of the tonsils marked impedi-
ment of speech; decided indications of liability to
pulmonary disease; chronic cardiac affections;
hernia or retention of testes in ingu.nai cavity;
circocele, hydrocele, structure fstula, hemorr-
holds; large varicose veins of lower limbs scrotum
or ord; chronic ulcers; cutaueous and commun-
fcabie diseases: unnatural curvature of the spine
tortcollis or other deformity: permanent disable
ity of either of the extremities or articulations
from any cause; detective teeth, the loss exten-
sive carries of four molar teeth.
Physical examination Will be made by the med
ical officer of the ship upon which a boy presents
himself for enlistment. Boys muss have the fol-
lowing heights and measurements: