plan of boring for, 104
refined, ascent in the wick of
the lamp, 110
samples, 375, 377
sand group, Venango, 150, 152
of the Venango group, geo-
logical position of, 44
proportion of oil contained
in, 34
sands, American, relative produc-
tiveness of the different strata,
157
Seneca, products obtained from
it by distillation, 131, 132
spring in Allegany County, State
of New York, description
of, 127-130
on the McClintock farm,
lease of the, secured by
Mr. Watson, 142
Springs, village of, 61
standard white, method of obtain-
ing, 270, 271
States in which it has been found,
68
strata, as parent rocks, or as
reservoirs of distilled petroleum,
crude, extracting paraffine from,
by use of ether, 173
crude liquid, study of by Prof.
Sadtler, 172, 173
distilled, 315, 316
engine, 317, 318
from coals, obtained by the Earl
of Dundewald, 1781, 239
heaviest, drawn from the shal-
lowest wells, 29
lightest, found in the lowest sand-
stones, 29
lubricating, manufacture of from
Baku naphtha, 334-342
superiority of Russian over
American, 112
neutral, 318, 319
of heavy grades, where produced,
309, 310
Russian and American, Boverton
Redwood's report upon their
respective merits, 110-113
table of density, composition
and heating capacity of,
the only two standard tests for
comparison of, 276
Olean conglomerate, geological posi-
tion of, 44
Olefiant gas, considered as the measure
of the illuminating power
of gas, 214
constituents of, 214
small percentage of, found in
some samples of gas of
luminous power, 214, 215
Olefines, not products of the normal
paraffine series, 168, 169
Ontario oil region, source of supply of,
Orbelovi Brothers, well obtained by,
Ordway, Professor J. M., report on
the character of lubricating oils, 302-
306
Organic matter, decomposition of, 22
Origin and rapid growth of the petro-
leum industry in the United
States, 125-159
of natural gas, 203, 204
of petroleum, 17-35
Berthelot's theory of the, 25,
locomotives, Russian, 424-427
medical effects of, due to its vola-
tile constituents, 379
motors, 432-434
natural composition of, by actual
of New York and Pennsylvania,
Prof. Sadtler on, 471
ointment as made in Germany,
382, 383
peat, manufacture of, by James
Young, 239, 240
percentage composition of, 409
principal supplies of, east of the
Rocky Mountains, 40
Prof. Sadtler's summary of his
own and other observations on,
174, 175
recognized in the Materia Medica
of the United States, 127
refinery, items to be considered in
estimating for its construction,
245, 246
refuse, comparative trials with
petroleum, anthracite, bitumi-
nous coal, and wood, on a Rus-
sian railway in winter, 428
riches of the Trans-Caspian des-
erts, 123
Russian, 85-124, 479-480
refined, usual gravity and
flashing point of, 108
steady decline in production of,
since 1882, 464
stoves and furnaces for domestic,
purposes and in the arts, 422,
technology of, 238-342
tested by transmitted light, 372
transportation of, 435-455
under marine boilers and stills,
429-432
vapor stove, 423, 424
various names known by, 55
stock of oil held by the, De-
cember 31, 1884, 164
Pipette, J. V. Wilson's, for determin-
ing the viscosity of an oil, illustrated
and described, 362, 363
Pithole City, history of, typical of the
rise and decay of many localities in
the oil region, 143, 144
Pittsburgh, great improvement of, by
use of natural gas, 233
invested capital in the natural gas
industry, 233
natural gas at, 230-237
companies of, 235, 236
pipe-lines, 452
supply of natural gas for, an as
sured thing, 227
use of natural gas at, 234, 235
varying densities in gravity of, Pond freshets on Oil Creek, 435
issuing from wells, 58
yield of, 1860 and 1884, 390
Petrolia, village of, 61
Petroline, discovery of, by Christison,
of Edinburgh, 284
Pharmacy and medicine, petroleum in,
Prentice, A. E., first to draw Ameri-
can attention to the oil of Peru, 70
Prince Yeristoff staking the whole
property as his own, 99
Prices of petroleum, American, 161–164
Producer gas, equations of, 220
Producers' Pipe-Line, 453, 454
Producing oil wells, estimated number
of, 44
|