COAL TIPS 



759 



FIG. 374. 30-Ton Hydraulic Coal Tip. 



of the tip and thence to a crab winch actuated by three-cylinder 

 hydraulic engines and fitted with brakes for adjusting the shoot point 

 where required. 



The pressure water is brought by two tiers of 8-inch mains in a trench 

 beneath the tips. To enable the tips to be moved laterally without 

 uncoupling the pipes, these are fitted with walking pipes, shown at W 



