The Findlay Jeffersonian. [volume] (Findlay, Hancock County, Ohio) 1870-1881, 1878-01-18


HURD q HoUGRToN,l ,l3 AsroR place. NY.
H.o. GoU, HToN q COMPANY, Boston
TIE ERIVERSLDE PRESS, Cambridge.
From the Scientific American.l
The completion of Knights American
Mechanical Dictionary" Is an event In tne
annals OF literature this country, as II
marks the substantial completion of great
and elaborate undertaking, the labor on
years 1t is difficult to realize how colossal
is the task involved In the preparation OF a
work nj this description. Thousands of pat
ents American and foreign, have been di-
gested, industrial processes of ever- nature
have been ex amfned and the latest prove
ments therein noted Engineering works,
scientific discoveries, and tools Of rvery craft
have been studied; and finally, all this i'm
mense collection, gathered from the whole
neid of applied science, has oeen supJecieo
to careful revision and condensation. snh,oy
means Of ingeniously contrived systems OF
indexing, rendered invaluable for purposes
of reference and research. Add to this the
laoors of artist and enersyer. and there Is
little food for marvel thai the work has cost
500 900: that II treats OF 1900 subjects; con-
tains 400 engravings; and that It's three vol
umes include $40 pages II Is more an en-
cyclop0edia thar a dictionary; IL is. in fact,a
mechanical and scientific library, carried mp
to the latest dates. A Just estimate of the
comprehensive nature OF the work. and its
iissns of every class and In all libraries. can
only be gained by careful examination ofthe
yo,umes themselves
The scope ofthis work CONCERNS Agricultural
Machinery, Wood, Metal, Glass, Stone. Clay,
Cement, and Leather Working; MiuiDg. Hy-
draulic Railway, Marine. and Military En-
gineeriny; Working in Cotton. Wool, SILK
Flax, Hemp, and Paper; Steam, Air. and
Gas Engines. and other Motors; Lighting.
Heating Drying and Ventilating; Fine Arts;
PHOTOGRAPHIC. Electric, Telegraphlc, Optical,
| Neurological. Calculating. urgical, and Len
tai Instruments. etc.
Itsvalue.eSen ifthere were In print diners
| OF a similar nature, would be very great on
| account of its scope. It's great number of IL
| Ilustrations, and the rusiIorthiDess OF Its
| oCihor; hut st present its value is enhanced
| by the fact thai IL has, properly speas ing, no
/ competitor. There is published no book OF
| similar intent which is at once So large, so
| well illustrated, so closely brought down 20
the present time, and SO full ofillcsfrations.
Deutists, surgeons, philosophers chemists
engineers mechanics, ard cirntIfic men and
students ofevery grade. will ind here des-
oribed and illustrated more Of the instru-
ments and machines pecu lar to their pro,
/ fessiou than can be found In we'll furnished
stores and manufactures. and they viii also
ind q constant supplementary course OF IN
xtruction 30 arranged as to be available fni
instant referencA. the work consists OF three
: handsome octave volumes and will be found
| 81 invaluable book of referance In The lam
lily, the countipg-room. and the workshop
No better sducationai Work e9n,d oe pIsTee :
latent taste which may have an Important
bearIpr on their life csresr.
The ork is sold by subscription, and per
sons desiring to purchase IL should address
send :or full descriptive circular with term
70 81 FoRsHEE& q co, General Agents. Il
West 4th St., Cincinnati, ONO.