15
ILLUSTRATIONS
- Plate I. Map of Brown Coal Area.
- II. Step grate at Donawitz.
- III. Step grate, improved form, at Zeltweg.
- IV. Step grate under safety boiler.
- V. Locomotive fire box.
- VI. Locomotive grate bar.
- VII. Locomotive fire box with fire screen.
- VIII. Locomotive grate bar.
- IX. Locomotive smoke stack.
- X. Locomotive smoke stack.
- XI. Gas producer, Teplitz.
- XII. Gas producer, Donawitz.
- XIII. Gas producer with blast.
- XIV. Briquette press, Couffinhal system.
- XV. Briquette press, hydraulic.
- XVI. Briquette press, hydraulic, improved.
- XVII. Briquette plant.
- XVIII. Press for nass-press-stein.
- XIX. Steam drier.
- XX. Riebeck drier.
- XXI. Leutert's compartment drier.
- XXII. Calvert Bluff.
- XXIII. Plans of Rockdale mine.
- XXIV. Vogel mine.
- XXV. Plan of Lytle mine.
- FIG. 1. String board with seats for grate bars 55
- 2. Grate bar for Plate II 55
- 3. Grate bar for Plate III 55
- 4. Grate bar for flat grate 59
- 5. Iron furnace at Zeltweg 73
- 6. Jacobi drier 117
- 7. Exeter press 121
- 8. Section of well at Mineola 133
- 9. Brown coal near Port Caddo 165
- 10. Profile of Calvert Bluff 174
- 11. Section four miles southeast of Carthage, Panola county 191
- 12. Faulted lignite bed, Shelby county 193
- 13. "Section at Sulphur Spring, Cass county 194