14, 
15. 
16. 
NA 
18. 
Ils), 
20. 
21. 
22. 
23. 
24. 
25. 
26. 
Alle 
28. 
29. 
30. 
Sl. 
32. 
33. 
34. 
30. 
36. 
37. 
38. 
39. 
40. 
Al. 
42. 
48. 
44. 
45. 
46. 
47. 
48. 
49, 
50. 
51. 
52. 
53. 
54. 
5d. 
56. 
57. 
58. 
59. 
60. 
61. 
62. 
Illustrations. Xiil 
PAGE 
Overhand stoping, showing use of scaffolding for mines.......... 202 
Methodsotaworkinessheetsoroundseaan ss are etn ie 366 
Diagram showing method of placing drill holes in drifts, shafts, and 
SUC) OES bla!blon bo boleincinig nia 6 Ucio pe nin hlobieo bob untold Raid blackish 6 AH mye ee 193 
[Dye iirayer CHAMEES Thal GONE GAROWHIEL o 5555605056 5000800000 s04n 0ebb OS BENS rai 209 
Method of drilling drifts in soft ground ............. EAS se: Reet 210 
Method of removing bottom of drift by subdrifting............... 207 
Transverse and longitudinal section of lagged drift............... 211 
A three-quarter set, with lagging..... BOT iA ont Aan pie 2 a eR De a 213 
Face of stope, showing method of support ....................... 214 
Electric primer, stick of dynamite and a charge in place......... 204 
Elandiap pana tushusedpinucinil lin Genrer nre eee eee are sae Zn 
Vertical section through shaft, showing method of placing timbers, 196 
Carrier Homaerialbroperhaulager ssa toner ne sen ae ae ee PNG 
Power end of aerial rope haulage system....... ee stele at et 218 
Actuating device for self-contained prospect drilling outfit ....... 220 
Actuating mechanism for a self-contained drilling outfit.......... Alt 
Actuating device in the American rope system of drilling holes... 228 
(Omitted. ) 
Hind Wiewsolyie room inyconcentrating, milly nue a ae 232 
Plan of jig room, showing position of machinery ................. 230 
Houndationsirame and support forerusher™.. 6.4230. set ee ae 235 
INOUENCENEION IATA THON? TRONS, 5 no oon oo do ound So Sob ODO UO OOOM OOO S bs ee 236 
Bent OnSuppORMOtcallinesmaund Claaee rere ne sernre errr errr 239 
Derricketomsmallaprospectyshahtiae eae eee eee ome oe 243 
Drum with controlling lever of horse power whim................ 247 
Semiautomatic dumping water bucket........ Roig Staves os ota) ave Stars 253 
BOutomEdumpinesone bUCKe EEE EEE EEE Eero eee 251 
Wethodtotadumpincsoresbuckelsmapenre aoe ooo ene 250 
IDYUaay OAS |NOLTRG) GHG TAKUM OIE SIOEWE 08.o.05000000000000059000000000000¢ 255 
eV ALO UCet Swiss sepant elo citi ct meee Natok aii Rime etc RELIES, LIN AIS Bee Sek 240 
Minesbucke Gatram Cari annie ces terns lace ey eta sige. 8 Be tire esae 6 Seay 256 
SUlska CeranGePUlyCahs wmmere yy. vere. | EAU GL A, mean (n) Wak ae curs cer nh 245 
COMBA CHIOM OI SAEVWANY HOUSES oo400ccccp buco 0ddeuc 000000 00000006 259 
JacketrandeshalkineoySereenshar cnr rc cee Seine ase cies siete aes eho ls 261 
Trommel of wire, with perforated housing........................ 263 
AN, ISHEW SY CTAUISV AVES oay/a Greys Sa By Scio 8.5 Sie eee Cae eae OTC tera 266 
Moran OLE IRONS Coram hy WSECL cooccccog900900000000000 SAA MA ghee 268 
Detailsyotconstructionoterollsrandishellssasqeseneeeee eee eee oo 271 
Details of roll bearings and star wheel.......................205: 270 
Eelarayo deel aln ey Omer arisen ese riecleneee iste me cok Naievete shade Wises arcs canta 275 
Haleava Clas) Orga STC OS avil Wench eae roots smote ey cren ee clay stamatel a SS lear cies Pa lesane as 276 
JPEN Cit FOOTE IPL, COMMON CGOMNATUWICTOINs -cos00000000000G000000000 280 
Honeatudinalgelevationvoignowelmy loo aaeeerae eee oe ele: 282 
MANS VET SCISeCLIONTOlMNOW EL IIOMNE A en voce ace eee as fees 279 
Methodvofsputtinemtovethernicacanksieeeeeeneaere eoennce acces 278 
Wooden grate supporting screen in power Jig .................2.. 283 
EPEAT RO Lan TOR CO LG ONAL Weg ares Neeley or ie neener Pencvatateeveiie Wheres Savhafa 808 286 
Eccentric for adjusting length of stroke....................00005- 285 
CORE OIE THRO > KOREN, 3 does eeion Gores OO CeIGO OO OCR He na nearness 286 
