, 1875-05-08

- HINTS ON READING,
TUE DfsT ErAplka: HINTS on rItn SELECTION or
HOOKS: on the FunxArrok OF r1nEAR1ls, Pub
Liz AND PaivArE; oH Counsks Or RIA 4ntHu ETc:;
WIFI Ciakslr1En n1uII'anArns ron E4sY 1skf.
december, 1874. Taper. Price, 81. New York: 9.
I. rutnnsaH fpns.
There IL help iu this volume for almost every
ono who reads aud buys toota. Tho help nianly
lies In tho blhllog1aphy. wlicl. 10 quite full and
yory wol classified. 1t cannot. Of courno. co'i-
tain tic neme of every book On ercry topic. but
1t contetnu tho names Of largo number OF tho
boBt books OIL most subjects, and will not fnil to
guide tho majority Of rcndcrH to needed roluH,es
nut prcviounly known to exist. Tho best thing
about Tho hintn on tllo selection Of l'ookh aid
courEos Of reading, etc.. IL, 1has thera hse very
fsw Of them, and what ihoro sre havo the
merit Of discretion.
Innuise,s aftor tho best reading need hit two
or three rules to direct them. I'As ,crt tlrst
should DO, .Eeycr attempt Goulhs at read
jnr." 1t u contrary to nature, a:,l. thErsforD,
absurd aud impracticahle. DccA,lte 4 tiatis his
tory the most entertaining aud ,,sctal and Inter.
estng know ledge in tbs world, itin.o seaaon shRt
q pl,ould. Let Zach individual consult hla o,tn
tIsso in realizing merely takIng caro- .reIisiouhlr
to obpy ruls No. 9. Road only tho best books
OH anr subioct:" Finally, lot lin "nsaster ey.
ary book read. and lla las cohfot,nea TO al the
lava thnt need bn iu1poAod upon Lin. 1t IL not
he who roads many looks carolessy, bnt ie who
reads fcw choce hool.s ntdcrstandingly, that IL
tho wlge u,au. Much. but not many" (EcaL
much, Iut not many, boolGB), Is = golden inA1-
LIN that rc2derH should have ever IN mind.
OPTICAL CHEMISTRY.
THE Cn.N.sIav ~ l.'u,r AID tfioEoan4fHx: ny
M tsS Ss st %s s' & u f. . 1t i
NO., pp, 4,l. Sen fu:k: j. Appleton h To-.
tho su,hor Of ts,tH work has for ninc years
| held tho chair Of photography In tho nuyal III
ussrial Academy ut Berlin, tfis only technical
institution iu German where tito ntt has bue1l
allowed place IL, tito curriculum. Ha naturally
regards tho department ovor which fc l'resldes
will, enthusiasm and lnA a ius( appreciation ct
tho yalnu Of la various Inventions In themselves
and in tlcls application to tho industries. Nc-
foned recognition elthor AZ An art or science.
! photography has not received from the world
tho sespcct 1t deserves. but With earnehtness and
eandor Dr. yosel endoayors to elevate It to lta
proper pontion IN tbs province Of oplles aud
OF chemistry.
Out OF photography has nprans s nav sciences.
| tho choinlstry Of Light, aud, in Yiylng popular
view Of tho ono, Or. SoKel has presented IN
es If. If hs pan,pss sa a. &
htru1t!Ts, PLEASANTLY combining history Of tho
! rrocrees add praotico Of photography, from tho
i1fst rough Experiments of NedEEeod and Dsvy
Mtn ssas,s,xsd paper IN i82 d'xn tato la;est
t:ations Vt Tho scientific theories OIL whicl. tbs
art ia tasea. 1t u the lrrt attempt In any
manual OF photography TO set forth ade1uatsly
the Just elalnls Of the inteution both from Ail
ArliStlo aud acientiho point Of yisw, and it
must 10 concadta that tho etIort has bssn nbIy
| contrctal.
| MHs. sToWE'3 LAST NOVEL.
| w AND 0ra fr1unooHs; ~. Thu nrconos or Ak
! AsDI.'n: \ NprlL- lty Iliunt,rr nkxcHra BrowE,
| With illusttatl9ns. 12nio, rp, as0. New York !;
!. u, Hur4 l. CO,
Mrs. Stove nsysy fasls u wEats ae1ssably. ~
matter whht h ~ subject under h*z rsn. Her