MACHINE FOR LAYING LAND. 183 



Certificates from Mr. Owen Edwards, of Brook, and Account of a 

 p_, 01 ■ 1 I machine for lay- 



1 nomas iiynan, carpenter, or vVeltmead, accompanied the j^g j^^d ig^gl^ 



above letter, confirming the flatement made herein. 



Defcriptlon of the Machine for laying Uneven Land levels 



imientedhy Mr. David Charles. — PtateXI. Fig. 1,2, 



Fig. I. — A, Part of the pole to which the oxen or horfes 

 which draw the machine are fafiened, and which is attached 

 to the machine by a pin at B. 



CC, The two wheels, (liod with iron, which run upon 

 the axle D, 



EE, The upper frame-work of the machii-ve, extending 

 from the axle to the extremity of the handles FF, and fecured 

 firmly by the crofs pieces. 



GG, The curved iron Aiders of the machine, which may 

 beraifed or deprelTed a little by means of the pins HH, which 

 pafs through holes in the wood-work, and alfo in the iron 

 Aiders; thefe Aiders form one piece with the back iron fcraper 

 I, in the manner more fully explained in Fig. 2. 



K, The wooden back of the machine, which Aiould be 

 made ftrong, to refift the weight of the earth when colIe6\ecl 

 therein. The iron Icraper Aiould be firmly fecured to this by 

 Icrews and iron- work. 



LL, The wooden fides of the machine firmly conne6led 

 with the back and frame-work, in order to affift in coUeding 

 the earth to be removed. 



M, A ftrong crofs piece into which the ribs which fupport 

 the back are well morticed. 



Fig. 2. — K, The interior part of the back of the machine. 



I, The iron fcraper, Aiarp at the bottom, and firmly fcrewed 

 to the back of the machine. 



GG, Parts of the fide irons or Aiders, Aiowing the mode in 

 which they are united with the fcraper I. 



M, The crofs piece above defcribed. 



Experiments 



