Every evening, Wilmington daily commercial. (Wilmington, Del.) 1878-1928, 1922-04-11

replies Aro sont olrect 10 tho inquirer.
@. Ia It true that woman has one
more rib than man? b. A. V.
A. There are "a ribe In the human
body. The common belief that WON
an has one more rib than a man ts
erroneous.
q. What kind OF road Is most often
built with Federal aid7 K. N. c.
A. OF the total area OF public
roads constructed with Federal aid
up TO December 81, 1921. 1872 per cent
was gravel. The remaining 51.s per
cent consisted OF sandclay. macadam,
bituminous macadam. tdtuminous
| concrete, cement concrete. reinforced
cement concrete, and brick.
/ Q. What number OF cylinders are
used in racing cars? y. J. NJ
A. -Four cylinder motors arc used
In racing cars more frequently thar
engines with greater number OF cylin.
ders. because OF their reliability and
simplicity. Six and eight cylinder
have been used in racing cars but no
as often az four cylinders.
q. II I sent several Registered
letters TO a concern and lost the re
ceipts. Is there any way 1 can trac'
them? V. c. W
A. The Postofice Department say
that record Is kept at the local post
Office showing the registered number
the name o. the sender. and the nam
OF the addressee. II a person woul
apply within four years after date :
mailing ne should be able 70 obtai
the registered number OF any particu
lar registered letter.
q. What per cent OF The weight c
the hog - contained in hams, baco
and loin OF pork? r. A. {
A. These choice parts Of the no
amount to about "a per cent OF IN
weight of tho live animal
q. Where can I get list OF IN
radio stations Of the worid7 j. I
A. An English edition of mo Inter
national List Of Radio Stations OF III
World can be procured from the II
ternational Bureau OF the Telegraph
Union, Berne, Switzerland
Q. A says that all rivers in Ii
e United States have a eourherly dire
+ ton. Ia this true? f. j.
9 A. Many rivers flow north for pa
c of their course but because most Z
- the rivers OF the central part OF q
d United States are tributaries Of Il
= Mississippi and because OF the wedg
3 shape OF the continent not mar
# rivers have a general northerly cours
1t The principal rivers which flow nor
n are: Champaign River and Lax
i illinois river, Kanahwa river, RI
Y river OF the North, St. Marys rive
d Kootenai river in part and 81
n Joaquin river.
/ .. When was Edward the COME
u sor canonized? X.
l. A. II is said OF Edward the Coz
k lessor that he was more priest thu
IA king" He was canonized in 11Ol,
e. Pope Alexander III. and was given Il
" title OF 'rConfessor."
ID Q. When was the lightning r.
l. first used? ID. '.
= A. The first lightning rod in 4
8 world was set up by Benjamin Fran
"a lin in September OF 1852.
Al .. What is a geode stone? G. Nj.
n A. Goodies are rounded hollow, a
n rregates OF mineral material. or !
at uurated nodulcs. either empty or co
re tanning a more or less solid and fr
OF nucleus and having the cavity fr
~ Qucntly lined with crystals. They a
f. sometimes called potato stones
IN account OF their size and shape. t
ne rame seems TO have been given the
d, because they are occasionally fou
IN MED with soft earthly >ochre. Aga
Ia is gelode built up Of concen,~.c La
al ers of chalcedony.
To- Q. Where is the largest concre
Of span In the world? 3.
Id A. The largest concrete span
which we md a record IS bridge
suan in Gruenwald. Munich, Bavar
This span is go feet hong.