FEATURES OF ENGINEERING INTEREST 79 



Acetylene Welding Shop, the use of this process having greatly increased 

 both for welding and cutting. 



Punching and Shearing Shed. 



Iron Machining Shop, containing an interesting ' Landis ' type screwing 

 machine, probably the only one in the country capable of screwing, direct 

 off the die-head, a 2-start | in. pitch knuckle form thread. 



Interesting drilling and milling machines — the last process is being 

 widely extended — and turret lathes are also to be seen. 



Frame Shop, where the components,' assembled on jigs, are erected into 

 complete underframes. 



Channel Straightening Shed. 



Hair-teasing Shed. 



Timber Drying Shed. Tests are now being carried out with a view to 

 adopting the artificial method and so reducing the amount of timber to be 

 held on stock. 



The following are some of the woods used for carriage building and 

 stocked in this shed : 



English Oak. 



American Oak from the United States and Canada. 



Dantzic Oak from Stetting. 



Oak from the Polish forests, and Wainscot from Austria. 



Honduras Mahogany from Central America. 



Mahogany from Tabasco and Cuba. 



Teak from East India and Burmah. 



Walnut from South Europe. 



Sycamore from our own country. 



Hungarian and British Ash. 



Kaurie Pine from New Zealand and Jarrah from Australia. 



These are all what are termed hard woods. 



Soft Woods : 



Yellow Pine from Canada. 



Dantzic Fir from Poland and Russia. 



Pitchpine from North America. 



Spruce, commonly known as white wood, from Norway and Russia. 



Sawmill — entered after passing through the Timber Log Yard, and 

 containing some very fine wood-working machinery. The Log Bandsaw has 

 a cutting speed of 30 ft. per minute through a 24 in. diameter log of oak. 

 The Band Re-saw has speeds running up to 120 ft. per minute, depending 

 on the depth of cut. In both cases the saws are thinner than formerly, 

 this not only doubling the speed, but also lessening the waste of timber. 



The new planing and moulding machine works at about four times the 

 speed of the old type of plant, all the five cutting heads being separately 

 motor-driven. 



Other notable machines are the Automatic Finger-Feed Planing Machine, 

 which, despite its somewhat ominous-sounding name, in fact renders much 

 safer a previously rather dangerous operation ; a Triple Drum Sander and 

 a Wadkin's Wood Milling Machine or Recessor, which automatically per- 

 forms no fewer than nine operations. 



Building Shop, where, as already mentioned, the work is carried out 

 in a series of progressive stages, which has resulted in a 70 per cent, saving 

 of time. 



