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  NEW 
  YORK 
  STATE 
  MUSEUM 
  

  

  at 
  the 
  present 
  time 
  there 
  is, 
  on 
  the 
  basis 
  of 
  75 
  per 
  cent 
  efficiency, 
  

   fully 
  20,000 
  horsepower 
  in 
  nse 
  when 
  there 
  is 
  water 
  enough 
  to 
  

   supply 
  it. 
  In 
  some 
  years, 
  however, 
  there 
  is 
  a 
  deficiency 
  of 
  power 
  

   for 
  several 
  months, 
  and 
  in 
  extreme 
  low 
  water 
  the 
  total 
  power 
  of 
  

   the 
  river 
  does 
  not 
  exceed 
  an 
  average 
  of 
  about 
  4700 
  or 
  4800 
  gross 
  

   horsepower. 
  On 
  75 
  per 
  cent 
  efficiency 
  the 
  total 
  horsepower 
  of 
  

   Genesee 
  river 
  in 
  extreme 
  low 
  water 
  does 
  not 
  exceed 
  3600 
  to 
  3800 
  

   net 
  horsepower. 
  

  

  In 
  addition 
  to 
  the 
  water 
  power 
  in 
  use 
  at 
  Rochester, 
  there 
  is 
  a 
  

   considerable 
  amount 
  of 
  steam 
  power. 
  From 
  a 
  canvass 
  made 
  in 
  

   1900 
  it 
  appears 
  that 
  there 
  were 
  at 
  that 
  time 
  engines 
  set 
  capable 
  

   of 
  producing 
  over 
  15,000 
  horsepower. 
  Since 
  1900 
  extensions 
  have 
  

   been 
  made 
  of 
  the 
  Rochester 
  Gas 
  & 
  Electric 
  Company's 
  plant 
  

   and 
  of 
  the 
  Citizens 
  Light 
  & 
  Power 
  Company's 
  plant 
  to 
  the 
  

   extent 
  of 
  5000 
  or 
  6000 
  horsepower, 
  so 
  that 
  there 
  is, 
  in 
  1904, 
  over 
  

   20,000 
  horsepower 
  from 
  steam 
  in 
  use 
  at 
  Rochester. 
  These 
  figures 
  

   do 
  not 
  include 
  auxiliary 
  engines 
  in 
  use 
  in 
  mills 
  propelled 
  by 
  

   water 
  power, 
  but 
  which, 
  from 
  lack 
  of 
  water, 
  necessarily 
  rely 
  on 
  

   the 
  engines 
  in 
  some 
  years 
  for 
  several 
  months. 
  It 
  is 
  an 
  interesting 
  

   circumstance 
  that 
  the 
  water 
  power 
  manufacturing 
  district 
  of 
  

   Rochester, 
  while 
  situated 
  on 
  the 
  brink 
  of 
  the 
  gorge 
  below 
  the 
  

   Upper 
  Genesee 
  falls, 
  has 
  a 
  chimney 
  attached 
  to 
  every 
  mill, 
  and 
  

   the 
  appearance, 
  in 
  times 
  of 
  low 
  water, 
  is 
  that 
  of 
  steam 
  power 
  

   rather 
  than 
  of 
  water. 
  If 
  the 
  auxiliary 
  engines 
  are 
  included 
  there 
  

   were 
  over 
  30,000 
  horse 
  power 
  of 
  steam 
  at 
  Rochester 
  in 
  1904. 
  

  

  Oswego 
  river. 
  This 
  stream, 
  with 
  a 
  total 
  catchment 
  area 
  at 
  its 
  

   mouth 
  of 
  5002 
  square 
  miles, 
  flows 
  into 
  Lake 
  Ontario 
  at 
  the 
  city 
  

   of 
  Oswego. 
  It 
  is 
  formed 
  by 
  the 
  junction 
  of 
  Oneida 
  and 
  Seneca 
  

   rivers 
  at 
  Three 
  Rivers 
  Point, 
  about 
  twenty-two 
  miles 
  southerly 
  

   from 
  its 
  mouth. 
  Its 
  main 
  tributary, 
  Seneca 
  river, 
  with 
  a 
  catch- 
  

   ment 
  area 
  of 
  3433 
  square 
  miles, 
  enters 
  from 
  the 
  west 
  at 
  this 
  point, 
  

   while 
  the 
  Oneida 
  river 
  enters 
  from 
  the 
  east. 
  

  

  Seneca 
  river. 
  Seneca 
  river 
  rises 
  in 
  the 
  highlands 
  in 
  the 
  south 
  

   part 
  of 
  the 
  State, 
  the 
  main 
  stream 
  flowing 
  north 
  through 
  Cayuga 
  

   lake, 
  while 
  its 
  tributaries 
  flow 
  north 
  through 
  Canandaigua, 
  Keuka, 
  

  

  