Squire's open test instrument, 78,
79

Stability, importance of, in a petro-
leum lamp, 172
Standardising testing apparatus,
101-104

Steam engine used in drilling
petroleum wells, 40
Steinöl, 3

Steuart on the flash-point, 71
Storage of petroleum, precautions
needed in, 164-165, 239-241
Storage tanks for kerosene, 53;
for petroleum, 162, 163; mode
of cleansing, 166, 167; specifica-
tion of 268-270

Stripplemann, on petroleum, 12
Suffocation, danger of, when en-
tering spaces charged with petro-
leum vapour, 169
Sumatra, petroleum production of,
31, 37

TAGLIABUE, open test instrument,
76, 77, 78; his coal oil pyro-
meter, 104-107
Tail house, 50-51

Tancarville, explosion on the, 123
Tank barges for transport of oil, 47
Tank steamers for transport of oil,

51, 52; precautions needed in,
165, 166

Tank wagons for carrying oil, 46, 47
Telegraph, 40, 41
Temper screw, 42

Tennessee, petroleum production
of, 31, 32

Tennis shoe makers, use of petro-
leum by, 286

Terrace structure associated with
petroleum deposits, 25
Test-tube method of testing flash-
point, 116, 117
Testing, 77-133; 228-231

Texas, production of petroleum in,
31, 32

Thomson, Capt., his pressure test
for petroleum spirit, 130-131
"Three chemists," report of the,

136

Todmorden, suffocation accident
at, 169
Toluene, 61, 66

Torpedoing wells, 45

Toy balloon making, use of petro-
leum spirit in, 288
Transportation of petroleum, 46-
48; 51, 52; precautions needed
in, 165 et seq.

Trenton limestone as an oil reser-
voir, 26-28; 32

Trinidad, asphalt at, 6; probable
plant origin of bitumen in, 18,
19
Tropical climate, effect of, on the
flash-point, 91, 92, 93

Trunk lines, 47; pipes used for,
47, 48

UNITED States, petroleum produc-
tion in, 30-33; methods of sink-
ing petroleum wells in, 39-45;
mode of raising and transporting
the oil in, 45-49

VAN Syckle, his successful pipe-
line, 47
Varnishes, 62
Vaseline, 58, 65

Ventilation of petroleum spirit
stores, 162; of tank steamer
holds, 166

Viscometer, Dr. Redwood's stand-
ard, 133

Viscosity test for lubricating oils,
132, 133

WALKER GATE, fire at, 163
Walking beam, 39

Wall, on Trinidad Pitch Lake, 18,
19

Warden, Dr., on the flash-point in
India, 92

Water, products formed by its
action on carbides, 10; of no use
for extinguishing fires caused by
petroleum, 162; or by calcium
carbide, 193; dangers arising
from contact of, with calcium
carbide stores, 193, 194
Water-lime bed as an oil reservoir,
28
Waterproof garment makers, use
of petroleum spirit by, 287
Water-white oil, 58; experiments
with, 84, 85

West Indies, petroleum occurrence
in, 31

West Virginia, petroleum yield of,
31, 32, 33

Westphal balance, 130

Wick-tube of petroleum oil lamps,
176

Winged substitute, 41, 42
Wisconsin tester, 107