. Steam shovel mining, including a consideration of electric shovels and other power excavators in open-pit mining . then pullingon the dragline. The standard power is steam, but electricmotors or even oil engines may be substituted if desired. Table8 gives the abstract specifications, and Table 9 the workingdimensions of standard Bucyrus dragline excavators. THE POWER SHOVEL 41 :^ X „-. ■^ \Q0 ^5 ^ \IM ^ CON XM CO O o »o >> CN GO X5,) ■-l\00 X 05 ^ i^ X 1. X o•+^ T3 o 3 Si P X X X t^ 03 bC OC -^^ CO Ph 3 ^^ o ^ 1-1 > o bc o to C +^ o §- S rvi iL -^ c3 tc ;—1 C c o o +J -tj 01 rj5 -&g
. Steam shovel mining, including a consideration of electric shovels and other power excavators in open-pit mining . then pullingon the dragline. The standard power is steam, but electricmotors or even oil engines may be substituted if desired. Table8 gives the abstract specifications, and Table 9 the workingdimensions of standard Bucyrus dragline excavators. THE POWER SHOVEL 41 :^ X „-. ■^ \Q0 ^5 ^ \IM ^ CON XM CO O o »o >> CN GO X5,) ■-l\00 X 05 ^ i^ X 1. X o•+^ T3 o 3 Si P X X X t^ 03 bC OC -^^ CO Ph 3 ^^ o ^ 1-1 > o bc o to C +^ o §- S rvi iL -^ c3 tc ;—1 C c o o +J -tj 01 rj5 ->* 1 C3 CO to |_4 a fi a o o t^ m rt CO o 00 X ^ -^ 1^ ^ C! ? t^ Sh •^ « S ^ o X a ^ r- to OS X 0) ^ £ 3 c lO CD -C 00 (N Q 5 o 2 ^ N us <o a a-c o CO .2 -2 CO .3bb bC C .rt _j; ^ g .SP g 2 g c PP Q * « CQ u ^f g ^ ^ .5 X ;g -t3 o a 03 cj a a > c3 <; hi cc ss C O ISm -§5 ^ c^ «< ^ g ^ S 01 « 4) . I O °? 42 STEAM SHOVEL MINING. Q :^ 1 h OaO-*T)<OCOIM 1 05 TO t^ 0 c<5 J v b- CO <-!% O^OOlrtiNCOC^ o 02 b 3 CCCiTfiOlNOOIN •0 01 0 N 0 ^ ^ ?~ lO 03 lM(NT).a5C<5IMC<5lN . Ot^OOiOINUSIN N 0 1 1 1 1 1 1 1 1 m-g b^o^^Mccr- t ;? § ^ oso5«rat^(rt(N 02 O!O00M-*Ni0N 0 1 • i^ Tj-l^(N OJO^^^t-OJO 0 1 1 1 1 1 1 1 1 -00 ■* ioo>o>ni33-<Hc«j 0 t»00-*tDt».-iT-4(N J v^^^^^^v «5 0!iMCDCTiOI^05a3 CO •* V «. u t^c^tDirac^^--ico - O0OJIN-<J-((N T OOO05«500«(3^ 0 — ito ^ So 0 cooooct-ocooooos b t 10 iC iM -^ 0 rt c 50 ^T^????! ^ j: ^1 .HiOiOrMb-OOWffll 0 N (N CO 0 !0 .-H C<5 CO <H c cbboj^^c^osoo c o»| •* r^bcoSNt-cbt- M ■* N ■* H CO *-< f- ji 0 0 tbtbasoitDNooot 1 1 1 1 1 1 1 CJ cooocot-OJwi!?- 2§ Ttl ■* -H (N •* H ^ ^ CU (J oocor^-0 5v,oo 0 f-( ■* V
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Keywords: ., bookcentury1900, bookdecade1920, bookpublishernewyo, bookyear1920
