of Southern Hungary: (_a_) Cross-dams of Clay;
(_b_) Masonry Dams, Gallery Linings. Wagner's Portable Safety Dam.
Analyses of Fire Gases. Isolating the Seat of a Fire with Dams: Working
in Irrespirable Gases ("Gas-diving"): 1, Air-Lock Work (Horizontal
Advance) on the Mayer System as Pursued at Karwin in 1894; 2, Air-Lock
Work (Horizontal Advance) by the Mauerhofer Modified System. Vertical
Advance. Mayer System. Complete Isolation of the Pit. Flooding a Burning
Section isolated by means of Dams. Wooden Dams: (_a_) Upright Balk Dams;
(_b_) Horizontal Balk Dams; (c) Wedge Dams, Masonry Dams. Examples of
Cylindrical and Dome-shaped Dams. Dam Doors: Flooding the Whole
Pit.--=VI., Rescue Stations:= (_a_) Stations above Ground; (_b_)
Underground Rescue Stations.--=VII., Spontaneous Ignition of Coal in
Bulk.=--Index.

=Illustrations.=

Sheet I., =Respiratory and Rescue Appliances--Precautions against Fire.=
Figs. 1, Smoke Helmet; 2, Muller's Smoke Helmet; 3, Low-pressure
Respiration Apparatus; 4, High-pressure Respiration Apparatus; 5, The
Stolz Mask for Rescue Work: 6, Precautions against Fire.--Sheet II.,
=Respiratory and Rescue Apparatus.= Figs. 1, Recovery Work with Muller's
Smoke Helmet after a Fire: 2-8, The Fleuss Respiration Apparatus: 9, The
Walcher-Gaertner Pneumatophor: 10-12, Pneumatophor (Shamrock
Type).--Sheet III., =Respiratory and Rescue Apparatus--Stretchers.=
Figs. 1-8, Rescue Apparatus manufactured by O. Neupert's Successor
(Mayer-Pilar System); 1, Front View; 2, Section through Bag and Mask; 3,
Rear View: 4, Apparatus and Mask laid out Flat (view from above); 5,
Apparatus and Mask laid out Flat (view from below): 6, Locking Device
for Closing Bag; 7, Apparatus Complete, Mounted for Rescue Work; 8,
Improved Valve in the Respiration Tubes; 9-12, =Stretchers.= Fig. 9,
Stretcher Covered with Brown Canvas: 10, Stretcher Covered with Brown
Canvas, fitted with Adjustable Head-rest: 11, Folding Stretcher Covered
with Brown Canvas; 12, Rupprecht's Stretcher Covered with Brown Canvas;
13, Dr. Ruehlmann's Stretcher.--Sheet IV., =Dams.= Figs. 1-7, R. Wagners
Portable Safety Dam.--Sheet V., =Signalling Appliances --Dam
Construction--Cable Laying.= Figs. 1-3, Signalling Appliances: 1, Small
Induction Apparatus for Pit Work; 2, Bell Signal for Pit Work; 3, Pit
Telephone; 4-18, =Dam Construction;= 4, 5, Upright Timber Dam; 6, 7,
Timber Dam with Wooden Door; 8, 9, Dome-shaped Dams; 10,11, Dome-shaped
Dam with Iron Door;