﻿252 
  Forty- 
  seventh 
  Report 
  on 
  tee 
  State 
  Museum. 
  

  

  Sets 
  of 
  these 
  bearers 
  are 
  put 
  in 
  usually 
  about 
  thirty-five 
  feet 
  

   apart 
  in 
  soft 
  rock. 
  

  

  Besting 
  upon 
  the 
  bearers, 
  the 
  " 
  wall 
  plates," 
  ten 
  by 
  ten 
  inches, 
  

   of 
  the 
  best 
  hard 
  pine, 
  framed 
  together, 
  are 
  put 
  in 
  position 
  at 
  the 
  

   sides 
  and 
  ends 
  of 
  the 
  shaft 
  with 
  the 
  " 
  dividers," 
  eight 
  by 
  ten 
  

   inches 
  for 
  the 
  partition. 
  When 
  these 
  have 
  been 
  securely 
  fas- 
  

   tened 
  by 
  means 
  of 
  wedges, 
  " 
  studdles," 
  ten 
  by 
  ten 
  inches, 
  four 
  

   feet 
  two 
  inches 
  long, 
  are 
  placed 
  on 
  end 
  at 
  each 
  corner, 
  and 
  at 
  the 
  

   ends 
  of 
  the 
  dividers, 
  and 
  upon 
  these 
  studdles 
  another 
  set 
  of 
  wall 
  

   plates 
  and 
  dividers 
  is 
  placed. 
  

  

  On 
  the 
  back 
  side 
  of 
  the 
  timbers 
  two-inch 
  planks 
  are 
  fas- 
  

   tened 
  in 
  a 
  vertical 
  position, 
  and 
  the 
  space 
  between 
  them 
  and 
  

   the 
  rock 
  wall 
  filled 
  in 
  with 
  broken 
  rock 
  from 
  the 
  bottom, 
  then 
  

   other 
  sets 
  are 
  put 
  in 
  in 
  the 
  same 
  manner 
  until 
  the 
  space 
  is 
  filled 
  

   to 
  the 
  top. 
  

  

  Afterward 
  the 
  " 
  guides 
  " 
  are 
  put 
  into 
  the 
  two 
  compartments 
  

   designed 
  to 
  be 
  used 
  in 
  hoisting, 
  and 
  then 
  all 
  of 
  the 
  three 
  com- 
  

   partments 
  are 
  lined 
  with 
  one 
  and 
  one-quarter 
  inch 
  planks. 
  

  

  The 
  guides 
  are 
  clear, 
  hard 
  pine 
  timbers, 
  five 
  by 
  eight 
  inches, 
  

   bolted 
  to 
  the 
  center 
  of 
  the 
  sides 
  of 
  the 
  compartments, 
  and 
  carefully 
  

   joined 
  at 
  the 
  ends 
  so 
  as 
  to 
  extend 
  continuously 
  from 
  the 
  bottom 
  

   of 
  the 
  shaft 
  to 
  the 
  top 
  of 
  the 
  building, 
  and 
  serve 
  to 
  hold 
  the 
  cage 
  

   steady 
  while 
  ascending 
  or 
  descending. 
  

  

  In 
  the 
  third 
  compartment 
  are 
  placed 
  the 
  ladders, 
  a 
  succession 
  

   of 
  which 
  reach 
  from 
  the 
  bottom 
  to 
  the 
  surface, 
  to 
  be 
  used 
  in 
  case 
  

   of 
  emergency. 
  

  

  The 
  speaking 
  tubes, 
  compressed 
  air 
  pipes, 
  bell 
  wires 
  and 
  elec- 
  

   tric-light 
  wires 
  are 
  also 
  in 
  this 
  compartment, 
  and 
  a 
  part 
  of 
  it 
  is 
  

   partitioned 
  off 
  for 
  a 
  fresh-air 
  shaft 
  connected 
  with 
  a 
  fan 
  at 
  the 
  

   surface. 
  

  

  About 
  100 
  feet 
  from 
  the 
  surface 
  and 
  next 
  to 
  the 
  ladder 
  shaft 
  is 
  

   the 
  cistern, 
  excavated 
  from 
  the 
  rock, 
  and 
  capable 
  of 
  holding 
  400 
  

   to 
  500 
  barrels, 
  into 
  which 
  the 
  water 
  from 
  the 
  drift 
  and 
  the 
  upper 
  

   part 
  of 
  the 
  rock 
  which 
  finds 
  its 
  wa}' 
  into 
  the 
  shaft 
  is 
  collected 
  

   by 
  means 
  of 
  gutters, 
  and 
  from 
  which 
  it 
  is 
  pumped 
  to 
  the 
  

   surface. 
  

  

  A 
  smaller 
  cistern 
  is 
  located 
  about 
  1,1 
  0u 
  feet 
  from 
  the 
  surface 
  

   to 
  collect 
  the 
  bitter 
  water 
  which 
  percolates 
  through 
  the 
  dark 
  

   brown 
  sandy 
  rock 
  at 
  1,045 
  feet. 
  

  

  