9 Sept., 1907.] 



Grading and Levelling. 



533 



the edge of the timber for about 4 inches each side and secured with 

 clouts. This scraper was first introduced here at Alildura the design 

 being brought over from California. It has since spread over the whole 



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DETAIL OF SKID. 



CROSS SECTION AT END. 



State. Mr. Lester, the manager at the Werribee Sewage Farm, uses it 

 almost wholly for the heavy work of grading adopted there and speaks 

 highly in its praise. The all-steel form, a modification by Mr. G. H. 

 Tolley, manager of the Government Irrigation Farm at Wyuna, is capable 

 of finer work both as a grader and as a leveller and is much more lasting 



Ve'fco. 



CROSS SECTION. 



The form of the cam-shaped ends is a matter of some importance. The 

 steel scraper was figured without any riders on end and can be worked 

 without, but, at any rate for an inexperienced man, the addition of curved 

 angle irons, in shape like the ends of the wooden scraper, is advisable. 



A variety of scraper intermediate between the buckscraper and the 

 ordinary scoop is known as the Fresno scraper. It is made of sheet s.teel 



THE FRESNO TUMBLING SCRAPER. 



