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<br />F', fastened on an ordinary oage frame with a hinge, in such s man-
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<br />;' ner that they rest on the floor of the cage. The akip box-is hehd
<br />~_?; ~~ in equilibrium by its own gravity.' On arriving at the'"surface, the
<br />akip ie dumped automatically by a pouple of small wheele,attaohed to
<br />~" the top of the box, running Into a curved track, made of angle iron,
<br />i in ouch s way that, as the oag5 is hoisted, the. top of the box is
<br />pulled outward, until it dumps, the bottom being held by the hinge to
<br />• the floor of the oage frame.. Ito installation required no change
<br />'~ , whatever in the shaft, excepting the plaaing.of the dumping frame
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<br />+~ ~' at the surface. The weight of the akip is about 2,800, and the
<br />~~ ~ .load 6,000, total greight being 8,800{, which is the same weight ae
<br />il~ d
<br />8 j the double deck cage used in,No.l shaft, carrying 3000 of rock.
<br />jFj The eastern compartment is taken up with air line and "dinky"•hoist
<br />!~'~ t far handling timbers.
<br />~'~f~~ ~~i No.3 shaft, H. 6a and 20 minutes W. 1900 ft,from fto.l
<br />r~ i~~ shaft, and N. 24° and 30'.minutes W. 1290 ft. from Ho.2 shaft:
<br />Elevation, 10,339', three compartment, 4-1~2 x 13' in the clear,
<br />vertical, 1262 ft. deep, timbered with square sets; has levels at
<br />~~' tunnel level, 200 level, with arose-cut extending 1200 ft. N: to
<br />1~{
<br />j; I~'~ Hawkeye vein, 500 ft. and 1000 ft. the two latter connecting with
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<br />No; 1, and No.2 ehafta. The middle compartment is the only one in
<br />~' use at the present time, being occupied by a single deck cage, with
<br />ui
<br />~;' ~~~ bonnet and safety dogs, attached to 3~4" steel cable one year old,
<br />(clip fastening changed play last). All of the level stations at
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<br />~,
<br />jl' shafts are large and oonunodiaus and lighted with electricity. No.3
<br />~i l i
<br />F '. shaft is provided with a wire bell line, attached to gon The a e-
<br />8• Y
<br />~~" ~~~~ tam employed in shafts 1Vo.l and No.2, is known ae the "flash" signal
<br />~~'
<br />~~ syetem, which consists of making and breaking an electric circuit,
<br />I~ thereby lighting, or flashing, an eleotrio light placed in front of
<br />`I`~; the engineer, also in front of each station, in plain view of. the
<br />I ~~
<br />oager. An auxiliary syetem of flaehea is used, when oage is wanted by
<br />one in another part of the shaft from which the oage is, the apparatus
<br />i
<br />!'i~ being the same, except that it flashes a colored light to the engineer
<br />III and oager, if oager be on a level, A signal code, peculiar to them-
<br />i
<br />~I eelvee, is in use, copies of which, are pasted in engine rooms, at
<br />~jl~ oollare of shafts, and at each level station. Each shaft ie in charge
<br />i~~'~,' oP a oager, who has exclusive oharge.of signals, loading and unlaafling
<br />of oars, the hoisting and lowering. of men. Pdateriel is hoisted from
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