METALLURGICAL METHODS AT BROKEN HILL. 281 
In the pump house are the following :— 
1 horizontal compound condensing engine, 164 in. by 26 in. cylinders 
by 48 in. stroke. 
2 sets of double plunger pumps, 9 in. by 36 in. 
1 set bucket pumps, 12 in. by 24 in. 
1 Knowles’ compound condensing pump, !6 in. by 26 in. by 24 in. and 
17 in. plunger. 
1 Tangye steam pump, 10 in. by 6 in. by 24 in. 
1 Blake bucket pump, 10 in. by 8 in. by 24 in. 
1 Blake double plunger pump, 10 in. by 10 in. by 18 in. 
1 Worthington duplex tank pump, 16 in. by 16 in. 
1 Worthington compound pump, 6 in. by 10 in. and 10 in. by 84 in. 
cylinders. 
All the water from both sets of furnaces delivered into cooling 
dams, from whence it was elevated by the above pumps to large 
wrought-iron tanks situated at a higher level than the furnaces, 
and from these tanks the jackets of the furnaces were supplied. 
The whole of the works and slag dumps are lighted by electri- 
city, and are connected with telephone to the general office. 
In addition to this large and efficient plant, the Proprietary 
also leased the three 100-ton blast furnaces on the British Mine. 
A. description of these furnaces will be given further on. 
The complete equipment of a lead blast furnace plant at Broken 
Hill is a matter of some expense. | According to the number of 
furnaces, so the size of the engine increases, unless combined 
engine and blowers are used, with building and flue space. — For 
a single blast furnace of what is known as a 100-ton furnace, 
the following material is required, exclusive of engine building, 
flues, and stack :— 
i 8. “dl: 
1 Blast furnace at foundry (ironwork only)............ 1,000 0 O 
2 100 I.H.P. Lancashire boilers, each £450 ......... 900 0 O 
iPa00medibricks: 63 lbsy per e000 Mrenten.cte os-cscescce ay IPA (6) 
2,500 fire bricks for crucible and flue, at £10 per 1,000 Py (0) 0) 
11 casks of English fireclay, at £7 per ton ............ 21 0! +0 
INon 7s) Baker or Roots? blower es. .n-ceccrcseseeeeees 400 0 0 
1 Steam pump of 30,000 gallons per hour capacity 250 0 0 
Amilrocksitor slag snG&c:,, 1 2each sa. scueconee soem eeee 48 0 0 
4) [Bynilliorm TaRKel techs Sa3 @eKolsl) SA nnpoohhonnocaocsouonsesce son 1 () (0) 
EDOM A emye SCall Oscars ceisaicaaerdeteeerie aise BEA HosDObe 200) 70 
DIES AS POLS EAC HVS) LOS... Siiiesconoes sac aeomororeent ae 156 0 0 
SUsbulliom moulds each Sy o..-seqesecdcerenceseecareeee 22) 110) 0 
BATE LOLFSATINGS .vajniscisicisesioaceneosiancoeeeeteeaeeeeee: 3) ORO 
200 ft. canvas hose ............ Jilsis gaaléciaina aid sles pitch eM SE WERE 10 0 O 
HOORES Jem! lndiasrulbber hosess...scs-nunesesess-eeceeeeee a: OF 0 
100 ft. 2-in. 3 A Ont corte rere cacicth cast. 1210 0 
2 Lead coolers and frames, each £5...............--.<-. LOMO) 0 
Geltadiles; each! 68hGdky. csc. csceeee eats ea eee IL alg) @ 
GuSkimimerns;, Cachross.1.-sseeetee cee tree eee eeee Or 0 
Steel for tapping bars and for barring crust off 
firnmace: Wall Sis Ak. ana scaeuosoneneasmene seme e occ: 10505 0 
4 *‘Stoppers ” for stopping slag, each 7s. 6d. ...... LOMO 
1 Set 1 in. steel letters for branding bullion ......... 012 6 
