New-York tribune. [volume] (New York [N.Y.]) 1866-1924, 1897-10-14
use a. one finds in Professor Harriet Rando'ph
Laboratory Directions" 1t comes from 'he p'''9
of Henry Holt & Co.

use a. one finds in Professor Harriet Randophs
Laboratory Directions IL comes rum ''''
of Henry Holt & Co.
In David A. Wells's Science Of Common Ihihss'
printed before the Civil War the author Iurn's,e'
70 oduI, readers the explanation OF many famliiar
vet puzzling phenomena A somewhat sinlil"' ,'n ~,
has been performed for children In Murche
Science Readers" which Mrs. l.. l.. W. wilson .,
the Philadelphia Normal School. has re'iseo ""'
adapted for in schools and when inc NO"
milan Company IS publishing. The series IS IN
tended 10 embrace six volumes three for youngsters
OF eight and ten years, and the others ior
slightly older set OF Students but only FOUR OF
the Readers have made their appearance as ye'
The conversational method IS employed 10 eNp'a"
Tho difference between liquids and solids the nature
OF porosity transparency. Elasticity ana eIasHct'
the characteristics of few domestic anima.s' 'he
best-known birds and insects. several articles OF
food and the more useful metals: the process OF
combustion and the nature Of fuel. ana such us
tinctons as those between vertebrate ana lhVer'e-
brate animals The language is carefully chosen'
az are also the topics. The natural history APP
pears to be accurate. And there is liberal supply
Of Illustrations.
There appears to be no crying need for new text
books on physics, but enough that Is unusual may
be found in Leroy c. Cooley's Students Manual
In that realm OF science justify its publication by
tho American Book Company. The freedom "ith
which the author employs formula that presume
a good knowledge of mathematics can harui! DC
regarded merits but the numerous experiments
which are suggested. and the practical ut!ily OF
the chapters on simple machines. the transerrence
OF energy and Simultaneous forces and motions
give the book commendable individuality
Almost simultaneously Henry Holt Co. print
Henry w Kegwins Elements OF Geometry ana
the Macmillan Company issues 7. A Lamberts
A ba latte to
plies is an advanced work. while the former is IN
tended for beginners Mr. Keigwin has aimed 10
strike a happy mean between mere summary Oh
statements and full demonstrations OF all propo-
sions His trining departures from the usual ar
rangement of lessons in geometry possess, In his
judgment, special pedagogic advantages.
Purdue University, at Lafayette Ind. enjoys
high reputation as a technical school. Professor
Michael Joseph Golden, who occupies the chair
OF practical mechanics in that institution. has ar
ranged for Harper e Bros Laboratory Course
in Wood-Turning" that makes volume Of sixty
nine octave pages. The author remarks that a
wide diversity may be observed In the use Of tools
in this class OF work. but lie has his own decided
preferences Twenty-Five exercises are given. with
View to instructing the student In the most d.
rect manner and without repetition.
''Direrental and Integral Calculus" by Pro
fessor William S. Hall. OF Lafayette College. Is
Intended as an Introduction TO the study OF the
sciences whose names the book bears. and Is
suited to the OF both student and engineer
The examples are carefully selected, and some Of
them original. Tho ID. Van Nostrand Com
pany publishes It.
From the same press is issued new edition OF
Maximum Stresses IN Framed Bridges" being
No IS of the Van Nosrand Science Series. Pro-
fessor William Cain. IT'S author has entirely re-
,.o1, liohf ~ fuvnv
experience and observation. and therefore has
brought Il up 10 date.
The Intimate relation which exists between pub
lie water supplies and public health imparts value
TO such a collection OF data may he found in
THE Manual Of American Water Works" espe-
ciay when 1t Is made by painstakng and In
telligent a statisc.an ". ~ Baker. Associate
Editor OF THE Engineering News" and compiler
Of the Manual" for 1897. The bulk Of the book
IS made up Of short accounts OF the capacity.
equipment and finances Of the $3.50 water works
IN this country But the introduction editoriany
discusses the tendencies OF the times in their man.
agement Mr.. Baker points out. for instance that
already than half OF these works are owned
bv municipalities. Those OF Kansas CITY and
Syracuse have passed from the control Of private
corporations within the past five or six years.
Mechanical and sand narration. too are growing In
favor. Something like ono hundred cities and
towns now use OF these systems. In the near
future, Mr.. Baker thinks Providence. Louisville.
81. Louis. Albany. Plttsburg. Philadelphia and
Cincinnati will introduce filters in connection with
the public water works.
IT, after an interval OF fifteen years a man
rewrites any book about the business In which he
is actively engaged. ono may reasonably expect
some improvement IN Il. Such IL the case. ccr-
tainly. with William Jasper Nicolls's Railway
Builder" II IL a compact little volume that can
he FRIED conveniently in pocket. ard full o.
information that would enable n to estimate
tho cost OF building and equippng railroad. The
J. r. Llppincott Company publishes II.
No part OF the practical management OF a rail-
road conduces more TO the safety OF the passengers
than the prompt and accurate setting OF 'dangcr''
and safety signals Although only limited
number OF peole have any direct use for W. J..
Derr's Block Signal Operation" the whole travel
ling public Is interested in the dissemination
of such literature. Mr. Dcrr has succnctly de-
scribed the various systems OF signalling in vogue
the best roads Of this country and England The
! .. Van Nostrand Company prints this manual.
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