May  /,  1897.] 
THE  TROPICAL  AGRICULTURIST. 
799 
the  conditions  mentioned  in  paragraph  (i  being  ad- 
hered to.  i.  I, 
(2)  The  survey  for  2 ft.  6 in.  gauge  lino  from  l>an- 
darawela  to  Badulla  and  Pnssara. 
March  24,  1897.  F.  R.  S-vu.vdeks. 
Thos.  Nohth  Chiustie. 
P.  A.  Mackintosh. 
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memorandum  by  mb.  p.  a.  mackintosh. 
Since  the  conclusion  of  the  work  of 
sion  I have  received  from  a well-known  firm  of  Electii 
rLTEneineers  in  England,  in  reply  to  inquiries  on  my 
part  a^list  of  electrical  tramways  or  railways  whic 
“V’tn’Vhu'il^fll.e.o.ppe.^the  c.seof.th.  ISe.s. 
hrLk  and  Newry  Railway,  worked  by  electiucity  gene- 
Jated  by  water  power  through  the  medium  of  a turbme. 
. 102 
3.  It  has  been  in  operation  for  Hi  years  (although 
I had  never  heard  of  it,  doubtless  owing  to  its  being 
such  a short  line),  and  it  is  claimed  that  it  has 
throughout  worked  satisfactorily.  The  preponderance 
of  the  traffic  is  goods  or  minerals. 
4.  Some  of  the  details  connected  with  it  I sub- 
3 miles  2'4  chains. 
1 in  50. 
28  ft.  [very  little] . 
3,000,000  gallons. 
16,0(X)  to  17,000  tons. 
90,000  to  100,000. 
6 to  9 miles  an  hour. 
21,468. 
3-94(7. 
join:— 
Length  of  line 
Steepest  gradient 
xVvailable  fall  of  water  .. 
Volume  of  flow  of  water 
per  diem 
Average  tonnage  of  goods 
carried  annually 
Average  number  of  passen- 
gers carried  annually  . . 
Speed  of  trains  . . 
Train  mileage  (in  1891)  . . 
of  cost  haulage  per  train 
mile,  of  which  nearly  40 
per  cent,  was  for  rental 
of  water  power  (in  1891) 
5.  It  is  stated  that  being  an  example  of  one  of 
the  earliest  lines  to  be  operated  by  water  power,  it 
is  somewhat  out  of  date,  although  it  has  operated 
successfully  throughout;  and  certainly  the  cost  of 
haulage  seems  to  be  extremely  low. 
6.  This  case  at  once  suggests  the  possibility  of 
working  the  Nanu-oya  to  Nuwara  Eliyaline  through 
the  medium  of  a turbine  situated  near  Blackpool,  utiliz- 
ing the  Nanu-oya  in  a similar  manner,  but  with  any 
improvements  that  may  be  possib'e.  In  the  same 
way,  for  the  line  from  Nuwara  Eliya  to  Kandapola 
a generating  station  might  be  situated  on  the  Kanda- 
pola-oya  near  Lover’s  Leap,  while  the  section  from 
Kandapola  to  Ragalla  might  possibly  be  treated  in  a 
similar  manner  from  the  adjoining  stream,  the  capa- 
city of  which  I am  not,  however,  so  confident  about. 
7.  I think  the  matter  is  worth  the  serious 
consideration  of  the  Government,  and  if  they 
desire  it,  I will,  during  the  progress  of  ihe  survey 
now  being  begun  between  Nairn  oya  and  R.rgalla, 
have  systematic  gaugings  of  the  three  streams  re- 
ferred to  taken  before  the  rains  set  in,  and  levels 
taken  to  ascertain  the  available  head  of  water,  with 
a view  to  obtaining  estimates,  on  the  completion  of 
the  survey,  for  the  equipment  of  the  line  for  being 
worked  by  electrical  power  generated  by  water  power 
P.  Arthur  Mackintosh. 
Avisawella,  March  30,  1897. 
MEMORANDUM  BY  THE  HON.  T.  N. 
CHRISTIE. 
Although  I do  not  think  that  a slow  speed  train 
ascending  steep  gradients  round  sharp  curves  at  all 
lends  itself  to  electrical  propulsion,  I concur  in  think- 
iug  that  the  water  in  the  streams  should  be  gauged, 
and,  if  it  occasions  no  undue  delay,  the  question  t f 
the  feasibility  and  cost  of  the  scheme  reported  upon. 
It  must  be  borne  in  mind  that  the  system  of  having 
a driver  for  each  vehicle  would  not  suit  Ceylon 
conditions.  No  vehicle  could  be  trusted  to 
descend  the  gradients  of  the  Nuwara  Eliya  line 
unless  it  was  under  the  control  of  a driver  of  the 
same  standing  as  the  drivers  on  our  existing  line: 
and  were  one  such  required  for  each  vehicle,  the  cost 
would  be  great.  A .system  in  which  eveiy  vehicle, 
or  almost  every  vehicle,  had  its  own  motor  and  yet 
the  whole,  train  was  under  the  complete  control  of 
one  driver,  would,  I tliiuk,  be  essential. 
March  31st,  1897.  Thos.  North  Christie. 
nrACKICOO  essay  describing  a really 
ULnllNCOOi  genuine  (Aire  for  Deafness, 
Ringing  in  Ears,  &c.,  no  matter  liow  .severe  or  long- 
.standiiig,  will  be  sent  post  free. —Artificial  Ea°- 
d rums  and  similar  ajiplianees  entirely  suiierseded. 
Address  THOMAS  KEMPE,  Victoria  Cham- 
BKIIS,  19,  SOUTIIAMlM’oN  BUILDINGS,  HOLBORN, 
L ONDON. 
