244

THE COLLIERY GUARDIAN.

January 29, 1915.

No. 45.

TH E COLLI ERY GUARDIAN

MONTHLY LIST OF RECENT COAL LITERATURE

I.—General.

Mining Accidents and Labour in 1913.	“ Colliery

Guard.,” Jan. 8, p. 87.

American Appeal to the Foreign Buyers of Coal.
“ Black Diamond,” Dec. 12, p. 467.

Prospective Foreign Trade of the United States. E. W.
Parker. “ Coal Age,” Dec. 12, p. 649; 1 fig. (Paper
read before Coal Min. Inst. Amer.)

Manganese : Its Uses, Production, Imports, Exports,
and the War. “ Engineering,” Jan. 1, p. 9.

A Visit to European Mines. S. Dean. “ Coal Age,”
Dec. 26, p. 1014, 5 fig.; Jan. 16, p. 110; 16 fig.

Bunker Coal at Panama'. J. Steelman. “ Coal Age,”
Dec. 26, p. 1018; 3 fig.

Illinois and Indiana Operators’ Appeal to President.
“ Black Diamond,” Dec. 19, p. 504; 6 fig. (Request
for the appointment of a Trade Commission.)

Foreign Coal Trade of the United States. E. W.
Parker. “ Coal Tr. Bull.,” -Dec. 15, p. 27. (Paper
read before 'Coal Min. Inst.1 Amer.)

Mines and Quarries : General Report, with Statistics for
1913. By the Chief Inspector of Mines. Part II.—
Labour. [Cd. 7721—Is. 4d.] Part III.—Output.
[Cd. 7741—Is. 4d.]

Report of the Department of Mines, Western Australia,
1913. Perth.

Russia : Its Future as a Coal and Iron Producer. C. R.
King. “ Eng. Mag.,” Jan., p. 481; 1 map.

German Cartel Policy. 0. H. Luken. “ Eng. Mag.,”
Jan., p. 508.

Coal Markets in South America and Mexico. “ Coal
Tr. Bull.,” Jan. 1, p. 47. (Extracts from U.S. Daily
Consular and Trade Reports.)

Work and Benefits of the Bureau of Mines. J. A.
Holmes. “ Min. Eng. Wld.” (Chicago), Jan. 2, p. 45;
1 fig.

Report of the Secretary for Mines, Tasmania, for 1913.
W. H. Twelvetrees. Hobart, 1914. Price, Is. 6d.

Coal Markets and Business Aspects of the Fuel Industry
in 1914. A. T. Shurick. “ Coal Age,” Jan. 9; p. 62.

Marketing and Shipping Conditions on the Atlantic
Coast in 1914. G. G. Wolkins. “ Coal Age,” Jan. 9,
p. 68.

United States Coal Trade in 1914. “ Colliery Guard.,”
Jan. 22, p. 190.

Foreign Coal Trade of the United States. E. W.
Parker. “ Colliery Guard.,” Jan. 8, p. 79. (From
paper read before Coal Min. Inst. Amer.)

Output and Value of Fuel in 1913. “ Colliery Guard.,”
Jan. 8, p. 90.

The Coal Trade of 1914.	“ Colliery Guard.,” Jan. 1,

p. 15; 5 charts.

The Collieries of South Russia (Der Steinkohlenbergbau
Sudrusslands). 0. Simmersbach. “ Oest. Zeitsch.
Berg. Hilt. Wes.,” Nov. 21, p. 641.

The Course of Prices and Wages in German Coal and
Lignite Mines. (Preisentwicklung und Lohnkosten im
Deutschen Stein- und Braunkohlenbergbau). E.
Jungst. “ Gluckauf,” Jan. 16, p. 66.

The Colorado Mine War : Its Meaning to- America. Rev.
A. A. Berle. “ Black Diamond,” Jan. 9, p. 22.

Teaching English to Foreign-Speaking Men. Dr. P.
Roberts. “ Coal Tr. Bull.,” Jan. 15, p. 43. (Paper
read before Coal Min. Inst. Amer.)

II.	—Education.

Mining Education in 1913. “ Colliery Guard.,” Jan. 15,
p. 123.

III.	—Geology.

The Pottsville Measures West of the Kanawha and New
Rivers. R. V. Hennen. “ Coal Tr. Bull.,” Jan. 1,
p. 35. (Paper read before W. Va. Min. Inst.)

Some Newly-Discovered Coal Seams near the Yaw River,
Pakokku District, Upper Burma. G. de P. Cotter.
“ Rec. Geol. Surv. India,” v. 44, 3, p. 163; 8 pl.

The Geology of the Swaziland Coalfield—II.	J. J.

Garrard. “ S. African Min. Journ.,” Nov. 28, p. 230.
(Paper read before Geol. Soc. S. Africa.)

The Naricual Coal Mines, Venezuela. “ Colliery
Guard.,” Jan. 1, p. 25.

The Formation of Coal Seams. J. Lomax. “ Colliery
Guard.,” Jan. 8, p. 76; 10 fig. (Leet. S. Staffs. Inst.
Min. Engin.)

The Geology of the South Wales Coalfield : Part XI.,
The Country Around Haverfordwest (sheet 228). A.
Strahan, T. C. Cantrill, E. E. L. Dixon, H. H.
Thomas, and O. T. Jones. 262 pp.; 20 fig. London :
Stanford, 1914. 3s. 6d.

The Identification of Certain Coals in the Cretaceous
Formation (Zur Kenntnis einiger Kohlen der Kreide-
formation). Donath and Rzehak. “ Mont. Rundsch.,”
Jan. 1, p. 1.

The Coal Fields of Ohio. J. S. Burrows. 11 Coal Age,”
Jan. 16, p. 125; 1 map.

IV.	---Mine Surveying.

Measurements with the Theodolite in Inclined Shafts,
Steep Roadways, Self-Acting Planes, etc. (Das
Messen mit dem Theodolit in Tonnlagigen Schachten
Steil einfallenden Strecken, Bremsbergen, usw.)
—. Breithaupt. “ Mitteil. Markschiedewas.,” part 3,
p. 150.

Improvements in Stratimeters (Verbesserungen an'
Stratametern). —. Liwehr. “ Z. Bergb. Betriebs-
leiter,” Dec. 1, pp. 469-71; Dec. 15, p. 485; illus.

V.	—Mine Technology.

Increasing Use of Concrete in Mine and Mill. S. R.
Stone. “ Min. Eng. Wld.” (Chicago), Jan. 2, p. 42;

3 fig-

Some Interesting and Useful Curves. A. Esnouf.
“ Engineering,” Jan. 22, p. 113; 4 fig.

VI.—Working of Minerals.

Coal Stripping in Kansas. W. Z. Price. “ Coll.
Engin.,” Jan., p. 285; 13 fig.

Coal Mining in the State of Pennsylvania, U.S.A. S.
Dean. “ Trans. Inst. Min. Engin.,” vol. 48, 2,
p. 367; 34 fig. “Colliery Guard.,” Dec. 24, p. 1324;
5 fig.

Notes of Coal Mining in Nova Scotia. V7. J. Dick.
“ Canad. Min. Inst. Bull.,” Jan., p. 60. (Mining :
Utilisation of Coal.)

VII.—Boring, Shaft Sinking, and Tunnelling.

Water Sealing the Wet Ted Shafts. R. G. Johnson.
“ Coal Age,” Jan. 2, p. 2; 4 fig. (By lining a wet
shaft with reinforced concrete, and then forcing grout
under pressure into the space between the lining and
the rock, the influx of water was reduced from
approximately 600 galls, per minute to- about a pint.)

A New Entry-Driving Machine. A. H. Gibson. “ Coal
Age,” Jan. 2, p. 11; 6 fig. (Machine designed by
Ingersoll-Rand Company, combining a powerful
pneumatic puncher with an elevator and conveyor.)

An Electric Clinometer for Boreholes (Ein Elektrischer
Neigungsmesser fur Bohrlocher). “ Elektrotckn.
Anz.,” Dec. 20, p. 1201.

Note on Shaft Lining (Einiges uber Schachtbetonier-
ung. —. Rottenbacher. “ Zeit. Bergb. Betr. L.,”
Jan. 1, p. 1.

VIII.—Explosives, Blasting.

The Brisance and Explosion-Velocity of Modern Explo-
sives (Die Brisanz und Explosionsgeschwindigkeit
moderner Sprengmittel).	—.	East. “ Mont.

Rundsch.,” Jan. 1, p. 7.

Recent Experience with Miedziankit (Neue Erfahr-
ungen mit Miedziankit). —. Ebeling. “ Z. Ober-
schles. Ver.,” Nov. 1914, pp. 435-48. (This is the
cheapest of the chlorate explosives, and has given very
favourable results.)

Detonator Charges (Aites und Neues fiber Initialzfind-
stoffe). —. Stettbacher. “ Z. -Schiess. Sprengst.,”
“Dec. 1, pp. 391-94; illus. (Lead nitride versus
mercury fulminate.)

The Tripp Shaft Disaster. W. Z. Price. “Coll.
Engin.,” Jan., p. 321; 1 fig. (Peculiar explosion of
dynamite, causing the death of 13 men; cage was
wrecked, but shaft was uninjured.)

Lectures on Explosives. W. Macnab. Inst. Chem.,
1914; illus.

IX.—Timbering, Packing, etc.

The Last Stand of the Mine Roof. Dawson Hall. “ Coal
Age,” Dec. 19, p. 982: 5 fig. (Paper read before
Coal Min. Inst. Amer.)

The Limits of Mining Under Heavy Wash. D. Bunting.
“ Trans. Amer. Inst. Min. Engin.,” Jan., p. 1; 10 fig.
“ Colliery Guard.,” Jan. 22, p. 187; 3 fig.

Preservative Treatment of Timber. J. M. Goldman.
“ Coll. Engin.,” Jan., p. 314. (Paper read at Engi-
neers’ Club, St. Louis.)

The Unique Subsidence at the Village Main Reef.
“ S. African Min. Journ.,” Nov. 28, p. 224; 1 fig.

The Preservation of Wood. “ Colliery Guard.,”
Jan. 1, p. 43.

Substitutes for Wooden Supports of the Roof in Long-
wall Working. W. H. Hepplewhite. “ Trans. Inst.
Min. Engin.,” vol. 48, 2, p. 387; 9 fig.

The Hydraulic Packing Process at Sagor (Das Schlamm-
verfahren in Sagor).	—.	Pauer. “ Mont.

Rundsch.,” Dec. 16, p. 685.

Experience in Subsidence Resulting from the Working
of Seams (Erfahrungen fiber Bodensenkungen als
Folge von Flozabbauen). —. Klose. “ Mitteil.
Markschiedewes.,” part 3, p. 114.

Practical Rules for Cutting Mine Timber. B. Carr.
“ Lehigh Vail, Coal Co. Empl. Mag.,” Jan., p. 55;

6 fig-

Increasing the Use of Steel Supports in Mines. F. H.
Wagner. “ Lehigh Vail. Coal Co. Empl. Mag.,”
Jan., p. 57; 3 fig.

X.	—Surface Arrangements.

Pithead Gear (Die Fordergerfiste fur die Schachtfdr-
derung). —. Wintermeyer. “ Bergbau,” Dec. 3,
1914, pp. 801-3; Dec. 10, pp. 815-17; illus.

XI.	—Winding and Haulage.

Calculation of Pit Locomotives (Ueber die Berechnung
der Grubenlokomotiven).	—.	Peter. “ Mont.

Rundsch.,” Dec. 1, pp. 665-69.

Hydraulic Decking Plant at Easington Colliery. “ Iron
Coal Tr. Rev.,” Dec. 25, p. 798; 5 fig.

A Successful Automatic Gate. H. M. Kanarr. “ Coal
Age,” Jan. 2, p. 7; 1 fig. (Device prevents over-
winding, in -addition to operating shaft gate.)

The Requirements for Economical Winding. J. A.
Turnbull. “ S. Afric. Eng.,” Aug., p. 29; Sept.,
p. 45; Oct., p. 65; Nov., p. 97; 24 fig.

Winding Methods at the Lake Superior Iron Mines.
“ Colliery Guard.,” Jan. 1, p. 26; 4 fig.

A Wagon-Tippler for Use Below Ground (Forderwagen-
kippen im Betriebe unter Tage). —. Gerke. “ Berg.
Hfittenman. Rundsch.,” Dec. 5, p. 7.

The Operation and Care of Electric Mine Locomotives.
E. B. Wagner. “ Lehigh Vail. Coal Co. Empl.
Mag.,” Jan., p. 52; 4 fig.

Automatically-Controlled Valve Gear for Winding
Engines. “ Engineering,” Jan. 22, p. 104; 8 fig.

Proposals for the Future Estimation of Safety Factors
in Winding Ropes (Vorschlage fur die Zukfinftige
Bemersund des Sicherheitsfaktors der Schachtforder-
seile). F. Herbst. “ Gluckauf,” Jan. 2, p. 1;
Jan. 9, p. 29; 4 fig.

XII.	—Signalling.

Visual and Aural Signals at Maltby Main Colliery. .“Iron
Coal Tr. Rev.,” Jan. 15, p. 91; 1 fig.

The “ Kingsway ” Signalling System. “ Colliery
Guard.,” Jan. 1, p. 33; 5 fig.

XIII.	—Lighting.

Electric Safety Lamps in the Coal Mines of Spain (Las
Lamparas Electricas de Securidad en las Minas de
Carbon Espanolas). E. Hauser. “ Revista Minera,”
Aug. 10, p. 401. (Circular of the Firedamp Com-
mission.)

The Case for the Electric Lamp. W. Maurice. “ Trans.
Inst. Min. Engin.,” vol. 48, 2, p. 286.

Advantages and Disadvantages in the Use of Electric
Lamps in Mines. G. H. Deike and J. T. Ryan.
“ Coal Tr. Bull.,” Jan. 15, p. 32. (Paper read before
Coal Min. Inst. Amer.)

XIV.—Ventilation.

The “ Sirocco ” Air Washer. “ Colliery Guard.,” Jan. 1,
p. 34; 1 fig.

XV.—Mine Gases, Testing.

Telescopic Gas Testing Rod. “ Colliery Guard.,” Jan. 1,
p. 35; 1 fig.

A Firedamp Indicator. H. R. Webster. “ Trans. Inst.
Min. Engin.,” vol. 48, 2, p. 278; 2 fig.

XVI.—Coal Dust.

Humidifying Mine Air. J. W. Reed. “ Coll. Engin.,”
Jan., p. 330. (Paper read before Kentucky Min. Inst,
describing methods adopted in that -State.)

XVII.—Explosions.

Influence of Pressure on the Combustion of Explosive
Mixtures of Gas and Air. (Ueber die Einfluss des
Druckes auf die Verbrennung Explosiver Gasluft-
mischungen). Terres and Plenz. “ J. Gasbel.,”
Nov. 28, pp. 1001-7; Dec. 5, pp. 1016-19; Dec. 12,
pp. 1025-27; illus. (Mixtures of methane, etc., with
air.)

Dust Explosions in Mills. J. D. Morgan. “ Page’s
Engin. Wkly.,” Dec. 25, p. 605. (Paper read before
Birm. Assoc. Meeh. Engin.)

Some Causes of Mine Explosions and the Cure. “ Black
Diamond,” Dec. 19, p. 508; 7 fig. (Deals with explo-
sion at Royalton, Ill., with special reference to
methods of constructing stoppings.)

An Instrument for Measuring Flame Velocities in Gas
and Dust Explosions. J. D. Morgan. “ Engineer,”
J an. 8, p. 39; 6 fig.

The Limits of Inflammability of Mixtures of Methane
and Air. M. J. Burgess and R. V. Wheeler. “ Journ.
Chem. Boe.,” Nov., p. 2591; 3 fig.

The Propagation of Flame in “Limit” Mixtures of
Methane, Oxygen, and Nitrogen. M. J. Burgess and
R. V. Wheeler. “Journ. Chem. Soc.,” Nov.,
p. 2596; 2 fig.

The Hillcrest Disaster. “ Colliery Guard.,” Jan. 1,
p. 37; 1 fig.