April 1914.

The colliery guardian.

9is

No. 37.

MONTHLY LIST OF RECENT COAL LITERATURE

I.	—General.

The Coal Industry in Iowa. E. A. Sayre. “ Iowa
Engineer, February 1914, p. 187; 2 fig.

The Cost of Coalmining. E. W. Parker. “ Coal Trade
Bull.,” March 16, 1914, p. 47. (Address Am. Min.
Cong.)

West Virginia’s American Rivals in the Pacific Market.
W. A. MacCorkie. “Coal Age,” March 21, 1914,
p. 481. (From an address before W.V. Coal Min.
Inst. Author considers that neither Alabama nor
Pennsylvania coals can compete.)

Aspects of Industry. J. Thompson. “ Iron Coal Tr.
Rev.,” April 10, 1914, p. 538. (Paper read before
Nat. Assoc. Colliery Man., dealing with monopolies,
combinations, and competition.)

Germany’s Coal Output, Consumption and Foreign
Trade. (Koblen-Gewinnung-Verb ranch und- Aussen-
handel Deutschlands.) E. Jungst. “ Gliickauf,”
vol. 50, No. 13, p. 490-501, 23 tab.; No. 14, p. 544-9,
9 tab.

Profit Sharing in Mining Operations. (La Participation
des Ouvriers aux Benefices dans les. Mines.)
— Verney. “ Bull, de 1’Industrie Minerale” ser. 5,
vol. 5, No. 3, Comptes Rendus, p. 136-43.

Nationalisation of Mines in Germany. “ Colliery
Guard.,” March 27, 1914, p. 689.

The Working of the German State Mines in 1912.
“ Colliery Guard.,” April 3, 1914, p. 734.

World’s Coal Production and Consumption. “ Colliery
Guard.,” April 3, 1914, p. 736.

The Financial Results of German Collieries in 1913.
“Colliery Guard.,” April 17, 1914, p. 838.

Factor of Safety. 0. E. Stromeyer. “ Colliery Guard.,”
April 17, 1914, p. 854. (Read before Stalls Iron Steel
Inst.)

Mining Economics : Some Notes and a Suggestion. J.
Gibson. “Colliery Guard.,” April 17, 1914, p. 842.
(Paper read before Min. Inst. Scotland.)

II.	—Education.

The Teaching of Mining Science. G. A. Lodge.
“ Colliery Guard.,” March 27, 1914, p. 678. (Paper
read before Assoc. Teachers in Techn. Inst.)

III.	—Geology.

The Age and Manner of Formation of Petroleum
Deposits. E. T. Dumble. “Bull. Am. Inst. Min.
Engin.,” March 1914, p. 501.

The Coals of Alaska. J. E. Florance. “ Engineering
Mag.,” March 1914, p. 881; 8 maps and illus. (Extent,
workability and transportation possibilities.)

The Pittsburg Coal Bed. W. G. Burroughs. “ Coal
Age,” March 14, 1914, p. 440 ; 1 map.

Description of the Headings Driven from the Aldridge
Collieries to Prove the Mines over the Main Eastern
Boundary Fault. F. B. Clark. “ Trans. Inst. Min.
Engin.,” vol. 47, 1, p. 92; 2 fig.

Occurrence of Minerals in Faults and Cavities in the
Saarbriicken Carboniferous Measures. (Uber das
Auftreten von Mineralien in Stbrungen und Hohl-
raumen des Saarbriicker Karbons.) W. Willert.
“ Gliickauf,” vol. 50, No. 16, p. 625-8.

The New Discoveries in the Lean-coal Group of the
Witten Basin (Konigsborn No. III./IV. shaft). (Die
neuen Aufschlusse in der Magerkohlengruppe im
aussersten Osten der Wittener Mulde auf der zeche

' Konigsborn III./IV.) H. Wisselmann. “ Gliickauf,”
vol. 50, No. 14, p. 536-44; No. 15, p. 576-81.

On the Fossil Floras of the Wyre Forest, with Special
Reference to the Geology of the Coalfield and its
Relationships to the Neighbouring Coal Measure
Areas. E. A. Newell Arber. “Phil. Trans. Soc.,”
series B, vol. 204, p. 363 : 4 pl.

The Geology of the North-western Part of the Wankie
Coalfield. B. Lightfoot. “ S. Rhodesia Geol. Survey
Bull. 4,” p. 1; 12 pl. .

The Coal Resources of Rhodesia. H. B. Maufe. “ S.
Rhodesia Geol. Surv. Bull. 4,” p. 56; 1 fig.

A Text Book of Geology. J. Park. xv. + 598 p. , 50 pl.
and 264 ill. Price 15s. net. London: Chas. Griffin
and Co.

The Origin of Coal Seams. “ Colliery Guard.,” April 9,
1914.

IV.—Mine Surveying.

A Triangulation Survey of the Fairmount Region.
A. W. Hesse. “ Coal Age,” April 11, 1914, p. 607 ;
3 fig.

V.—Mining Technology.

Modern Gearing. H. H. Thorne. “ Journ. Junior Inst.
Engin.,” Feb. 1914, p. 241.

Efficiency of Rope Driving as a Means of Power Trans-
mission. E. H. Ahara. “Journ. Ann. Soc. Meeh.
Engin.,” April 1914, p. 129 ; 4 fig.

Practical Coalmining. G. L. Kerr. xi. + 778 p. Price
12s. 6d. net. London: Chas. Griffin and Co.

VI.—Working of Minerals.

The Panel System in Ohio. W. G. Burroughs. “ Colliery
Engineer,” April 1914, p. 562; 3 fig.

New Alternating - current Short - wall Coal - cutting
Machine. “ Min. Eng. World,” March 28, 1914,
p. 590 ; 1 fig. (Morgan-Gardner chain machine.)

Working a Series of Steep Seams. (Exploitation d’un
Faisceau de Couches en Dressant.) F. Arguillere.
“ Bull de 1’Industrie Minerale,” ser. 5, vol. 5, No. 3,
p. 295-331; 18 illus. (Beraudiere Colliery. The coal
is worked on the forward stall system, with inverted
steps.)

Equipment and Management of Dry Dredgers. (Ein-
richtung und Bedienung der Einerkettentrocken-
bagger.) W. Botticher. “ Braunk.,” vol. 12, No. 51,
p. 851-7, 12 illus.; No. 52, p. 867-72; 5 illus.

The Wankie Colliery and Method of Working the Coal.
“ S. Rhodesia Geol. Surv., Bull. 4,” p. 50; 2 pl.

VII.—Boring, Shaft Sinking, and Tunnelling.

The Younger Generation of Rock Drills. C. A. Hirsch-
berg. “ Compressed Air Mag.,” March 1914, p. 7139 ;
8 fig. (The Ingersoll “ Jackhamer ” drill.)

Air-hammer v. Rotary Drills. P. Dunaime. “ Colliery
Engineer,” April 1914, p. 554.

Sinking Through 11 Fathoms of Difficult Surface at
Shettleston Colliery. J. Wilson. “ Iron Coal Tr.
Rev.,” April 3, '1914, p. 502; 2 fig. (Paper read
before Scottish Federated Inst. Min. Stud.)

Certain Properties in Argillaceous Rocks of Importance
in Connection with Deep Boring. (Ueber einige fiir
die Tiefbohrtechnik wichtige Eigenschaften von
Tongsteinen.) W. Petrascheck. “ Oest. Berg.
Hiittenwes.,” vol. 62, No. 8, p. 99-101. (Flushing with
CaCl2 or MgCl2 to prevent caving.)

On Rock Drills. (Vom Steinbohrer.) K. Meicksch.
“ Bergbau,” vol. 27, No. 15, p. 257. (Causes of drills
breaking ; re-welding and sharpening drills.)

Drills for Rock-drilling Machines. (Ueber Bohrer fiir
Gesteinsbohr-maschinen.) A. Gerke. “ Berg, und
Hiittenmann. Rund.,” vol. 10, No. 12, p. 155-60;
2 illus.

Cement Grout in Water-bearing Fissures. F. Donaldson.
“ Colliery Guard.,” April 3, 1914, p. 733. (Paper read
before Am. Inst. Min. Engin.)

Deepening a Shaft by a Rise Method. H. B. Pilkington.
“ Colliery Guard.,” April 9, 1914, p. 788. (Paper read
before Manchester Geol. Min. Soc.)

VIII.—Explosives, Blasting.

Flame Phenomena observed on Firing Permitted Explo-
sives in the Mortar. E. Lemaire. “ Colliery Guard.,”
April 17, 1914, p. 837 ; 12 fig. (From Ann. Mines
Belgique.)

Primer Clip for Explosives. W. Cullen. “ JI. Chem.
Metall. Min. Soc. S. Africa,” February 1914, p. 366 ;

Blasting Gelatine : Some Notes and Theories. W. A.
Hargreaves. “ JI. Soc. Chem. Ind.,” April 15, 1914,
p. 337.

IX.—Timbering, Packing, &c.

Concrete in Mine Construction. A. F. Allard. “ Coal
Trade Bull.,” March 16, 1914, p. 50. (Paper read at
conference, Illinois.)

Comparative Trials on the Impregnation of Pit Timber.
(Vergleichsversuche mit Impragnierungsverfahren
fiir Grubenholz.) O. Dobbelstein. “ Gliickauf,” vol.
50, No. 16, p. 611-617 ; 4 ill.

Mining Operations and Surface Subsidence. (Der
Einfluss des Abbaues auf. die Tagesoberflache.) A.
Eckardt. “ Gliickauf,” vol. 50, No. 13, p. 485-490 ;
11 ill.

X.—Surface Arrangements.

Markham Colliery. “ Iron Coal Tr. Rev.,” March 20,
1914, p. 421; 6 fig.

A Brick Tipple. W. G. Burroughs. “ Colliery Eng.,”
April 1914, p. 527; 4 fig. (Construction of a tipple
in Ohio having a capacity of 680 tons per day.)

Mine of Birmingham Fuel Company at Townley, Ala.
“ Coal Age,” March 28, 1914, p. 524; 6 fig.

Notes on the East Kent Coalfield. E. K. Scott. “Iron
Coal Tr. Rev.,” April 3, 1914. p. 503; 1 fig.

Important Details in Construction of Colliery Plants.

M.	L. Hyde. “ Coal Age,” March 21, 1914, p. 484;

6 fig. (Read before Canad. Min. Inst.)

Methods of Weighing and Computing Mine Outputs.

N.	Hutchings. “ Coal Age,” April 4, 1914, p. 574.

The Sinking and Equipment of Blairhall Colliery,
Fife. A. M. Russell. “ Colliery Guard.,” April 17,
p. 839 ; 12 fig. (Paper read before Min. Inst. Scot-
land).

Building so as to Guard against Damage by Mining
Subsidence. (Baukunst und Bergschaden.) “ Berg-
bau,” vol. 27, No. 12, p. 197.

Mounting Engines on Unshiftable Foundations.
(Machines sur Fondations Indeformables a la
Compagnie de Montrambert). —. Rodde. “Bull, de
1’Industrie Minerale,” ser. 5, vol. 5, No. 3, Comptes
Rendus, p. 130-6 ; 4 ill. (Combining foundations of
engine and pithead gear.)

XI.—Winding and Haulage.

The Electrical Driving of Winding Engines and Rolling
Mills. C. A. Ablett and H. M. Lyons. “ Can. Min.
JI.,” April 1914, p. 223. (Paper read before Can. Min.
Inst.)

Automatic Arrangement for Raising End Gates on
Mine Cars. E. Read. “ Coal Age,” March 14, 1914,
p. 434 ; 3 fig.

Control of Cables on Winding Engines with Cylindro-
conical Drums. (Reglage des Cables dans les Machines
a Tambours Cylindro-Coniques.) H. Poiret. “ Bull.
Soc. Ind. Min.,” February 1914, p. 185 ; 13 fig.

XII.	—Signalling.

Electrical Signalling at the St. Henriette Shaft, Bois
Communal Colliery, Belgium. (Signaux Electriques
du Puits Ste -Henriette, aux Charbonnages du Bois
Communal, Belgique.) A. C. “ Genie Civil,” vol. 64,
No. 21, p. 417-9 ; illus.

Reineke Wireless Telephone for Mines. T. M. W.
Wallis. “ Trans. Inst. Min. Engin.,” vol. 46, 4,
p. 636; 2 fig.

XIII.	—Lighting.

The Physiological Characteristics of Acetylene with
Relation to its Use as an Uluminant in Mines. E. E.
Smith. “ Coal Trade Bull.,” March 16, 1914, p. 32.

Working Engineer’s Electric Lamp. “ Science Art.
Min.,” March 28, 1914, p. 394; 3 fig. (Lamp invented
by T. Heaton, Wigan.)

Approved Safety Lamps for Mines. “ Colliery Guard.,”
April 17, 1914, p. 843 ; 9 fig. (New Order comprising
various alterations.)

XIV.—Ventilation.

Safety Air Doors for Coalmines. J. Ashworth. “ Colliery
Guard.,’” April 9, 1914, p. 788. (Paper read before
Manchester Geol. Min. Soc.)

XV.—Mine Gases, Testing.

Notes on Gob Fires and Blackdamp, &c. J. Morris.
“ Trans. Inst. Min. Engin.,” vol. 47, 1, p. 195 ; 5 fig.

Errors in Gas Analysis due to Assuming that the
Molecular Volumes of All Gases are Alike. G. A.
Burrell and F. M. Seibert. U.S. Bur. of Mines,
Technical Paper 54; 1 fig.

Methods of Gas Estimation in Mines. T. Bryson.
“Iron Coal Tr. Rev.” April 17, 1914, p. 567; 3 fig.
(Paper read before Scottish Fed. Inst. Min. Students.)

Helium in Firedamp and the Radio-activity of Coal.
C. Moureu and A. Lepape. “ Colliery Guard.,”
March 27, 1914, p. 677. (Trans, paper read before
Acad. Sciences.)

The Low Firedamp Indicator. “ Colliery Guard.,”
April 9,1914, p. 787 ; 1 fig.

The Analysis of Combustible Gases by Explosion. E.
Hauser. “ Colliery Guard.,” April 3, 1914, p. 747.
(From the “ Archives des Sciences.”)

The Determination of Specific Gravity by Modern
Methods. L. Levy. “ JI. Gas Lighting,” April 14,
1914, p. 115 ; 2 fig.

Pitot Tubes for Gas Measurement. W. C. Rowse.
“ JI. Am. Soc. Meeh. Engin., March 1914, p. 97 ; 7 fig.

The Absorption of Gases by Coal. F. Leprince-Ringuet.
“ Colliery Guard.,” March 27, 1914, p. 680. (From
the “ Comptes Rendus,” Acad. Sciences.)

XVI.—Coaldust.

The Automatic Distribution of Stonedust by the Air-
current. H. W. G. Halbaum. “ Trans. Inst. Min.
Engin.,” vol. 47. 1, p. 147.

German Coaldust Precautions. M. Tornow. “ Colliery
Eng.,” April 1914, p. 533 ; 4 fig;

Moistening Coaldust. J. L. Davidson. “ Colliery Eng.,”
April 1914, p. 559. (A cautionary notice sent out to
Alabama coal operators.)

A New Method of Treating Coaldust. “ Iron Coal Tr.
Rev.,” April 10, 1914, p. 531; 3 fig. (The Belger
method.)

The Prevention of Coaldust Explosions in Collieries.
(Ueber die Bekampfung der Kohlenstaubexplosionen
in Steinkohlenbergwerken). M. Tornow. “ Dingier,”
vol. 329, No. 13, p. 198-201 ; 3 ill. (The extinction of
explosions.)

Coaldust Experiments at Tirpentwys Colliery. “ Colliery
Guard.,” April 3, 1914, p. 735 ; 4 fig.