CHAPTEK XVI. 



SEASON 1877-78. 

 CONSTRUCTION HOWIETOUN PONDS. 



THE 130-feets were completed before 1st October 1877, as 

 described in the last chapter, but the completion of the water- 

 carrier or leads properly belongs to this. The centre 130-feet was 

 supplied by a sanitary spigot pipe from the dividing-box. This 

 pipe was led into a screen-box, similar to those already described, 

 except that a hole was cut in the bottom communicating with a 

 4-inch pipe (spigot and faucet, carefully cemented), so that any 

 drop from the board-sluice, when the water was shut off the 

 centre compartment, could be caught before reaching the pond, 

 thus enabling the wooden bottom to be dried before re-charring 



Fio. 159 scale 



when necessary. The 4-inch pipe just mentioned was led across to 

 the old course of the burn, and a catch-box was fitted in the lead to 

 the east 130-feet above the pipe (Fig. 159). Lengths with straight- 

 eyes were arranged below this catch-box and below the screen-box 

 of the centre 130-feet, and the corresponding holes stopped with 

 long-handled hardwood plugs, so as to be capable of being fitted 



