The examiner. [volume] (Louisville, Ky.) 1847-1849, 1848-09-23

As IL respects climate, soil. and location u's
ivansa2es are generally admitted to have been
ecidedly in favor Of the slave States.
with these beginnings, with these means'
,ith avery advantage In favor of the slave
i.ases, let us now inquire what has been DONE
airing the last sixty years, for the advancement
4 society, In the development and application
i science, and In the improvement Of ths sfts.
would first remark, however, in explanation
n the form In which the following facts are
PRESENTED, that the Inventions and Discoveries
ar which Patents are issued at w ashington' are
divided into twenty-five general classes
We are now prepared to sntsr upon state |
nent and comparison of the facts which u Is
TO lay before the reader.
A comparison Of The number Of the different ei1s-
ses of Patents for HavenfiOns and Discoveries
issued 10 the ssren free States, tO-rit;-NS
Hampshire, Massachusetts, Rhode Island, Con-
nertiem, Ner York, New Jersey, and Penn
,vlrania, NTH those Issued 10 the siz Stare
Stafes, to-xif:-D eiarare, Maryland, HrgiH-
ia, NJ Carolina, s. Carolina. and GeorgiG,
from the year l79O to is47.'
Class No. 1.-Agriculture, including
instruments and operations.-Num-
Der Of Patents issued To the seven
free States. i.io4
Number Of Patents issued to the ak
slave States, 'o'
m. - c.-o. II f. sf.faa H1I
CiAss No. -Metallurgy and manu-
faeture Of metals and Instruments
thsrsof.--Numbsr Of Patents Issued
to the free States, 5oi
Number Of Patents issued % the slave
States, iW
Difference in favor Of free States, es9
tciass No. Mana faciures Of Fib-
rous and Textile substances, ineln-
ding machines for preparing Fibres
Of Wool, Cotton. SILK, Fur, Paper,
&c.-Numbsr Of Patents issued TO
the free States, LIS
Number Of Patents issued to the slave
States, 70
difference in favor Of free States. l,O77
Glass No. 4-Chemical processes,
manufactures and compounds, in-
GLIDING Medicine, Dying, Color
making. Distilling, Soap and Candle
making, Mortars, Clements, &C.
Number Of Patents issued to the
| free States, ~,
Number of Patents issued to the slave
States, Ill
: .lfercnce in favor Of free States, co:
Class No. 5-Calorific, comprising
Lamps, Fireplaees, Stoves, Crates,
Furnaces for heating buildings,
Cooking apparatus, Preparation of
Fuel, &c.--Number of Patents is
sued to the free States, l,04:
Number Of Patents issued to the slave
States,
Difference in favor of free States, 81
Class No. 6-Steam and Gas engines,
including Boilers and Furnaces
thereof, and parts thereof-Num-
Der Of Patents issued 10 the free
States, Al
Number Of Patents issued to the slave
States, .
Difference in favor Of free States, ~
Class No. 7-NayigatiOn and Mari
time Improvements, comprising all
vessels for conveyance water,
their construction, rigging and pro-
Pulsion; Diving Dresses. Life Pre-
servers, &c.-Nnmber Of Patents
issued TO the free States, 40
Number Of Prtents issued to the slave
States,
Difference in favor of free States, 81
Class No. 6-Mathematical, Philo-
sophical, and Optical instruments,
including Clocks, Chronomstsrs.
&es--NHnsber Of Patents issued 10
tfis free States, l6
Number OF Patents issued toiheslAye
States, ,
Difference in favor Of free States, Is
T Glass No. 9-Civil Engineering and
Agriculture, comprising works on
Rail and Common Roads, Bridges,
Canals, Wharves, Docks, Rivers,
Weirs, Dams, and other Internal
, improvements, Buildings. Roofs,
&c--Numbsr Of Patents issued TO
the free States, 3
Number Of Patents issued to the slave
States,
Difference In favor Of free States, %
Class No. l0-Land conveyance,
comprising Carriages, Cars, and
! other vehicles used on roads and
parts thereof.-Number Of Patents
issued 10 the free States, q
Number of Patents issued to the slave
States,
. Difference In favor Of free States. q
Glass No. ll--Hydraulics and Pneu-
l maties, including Wste- Wheels,
. Wind Mills. and other implements
n operated on BY air or water, or en-
ployed in raising and delivering
i Fluids.-Number Of Patents issued
Z to the free States, g.
Number Of Patents issued to the slave
a Difference In favor Of free States. S:
CLAsi No. l2-LeYer. Screw. and 9th
ar rneehanieal powers, as applied 20