A< ' MACHINE FOB. CLEARING ROADS. 



Machine for tend to employ in the conftruclion of it ; for I can affure theni^ 

 clearing roads ^[,jj^ ■^^ ■^^ ^^^ fufficient to attend only to the form of the model ; 

 but it is abfolutely neceirary that the different parts, and ef- 

 pecially the two braces behind, fliould be firmly put together, 

 otherwife it will be impoffible for it to withftand the force that 

 mull fometlraes be exerted upon it by four, or perhaps by fix 

 horfes. The fcraper may be made of beech or elm, &c. but 

 the other parts ought to be made of ath ; and I muft par- 

 ticularly recommend thefe materials to be well feafoned ; all 

 which circumftances were minutely attended to in the two 

 machines which were made for me by Mr. Jofeph Mofs, of 

 Gicenham, near Newbury. 



JOHN WINTERBOTTOM. 



Certificates from Mr. George Goddard, Greenham, near 

 Newbufy, Mr. Francis Page, Mr. Frederick Page, Mr. John 

 Baily, and Mr. Thomas Clark, accompanied the above paper; 

 flating, that on the 25th of February laft, two miles had been 

 cleared in two hours and a half, by two of Dr. Winterbottom's 

 machines. 



Reference to the Engraving of Dr. Winterbottom's Ma- 

 chine far Clearing Roadi from Mud. — Plate I. 



Fig. 1, A A. Two pieces of afli timber, forming at one 

 extremity a pair of fliafts, BE. 



CDE. Three tranfverfe braces, to fecure firmly the tim- 

 bers above-mentioned. 



F. The iron plate, or front of the fcraper, fixed within 

 the braces C D, at an angle of thirty degrees, extending on 

 ihe further fide two feet, and on the nearer fide one foot and 

 a half beyond the timbers. 



G. An iron chain, one end of which is faftened to the 

 outfide of the timber A; the other end of the chain may be 

 moved nearer to, or further from that end of the fcraper which 

 depofits the mud, by means of notches in the iron muzzle H, 

 fixed to the fcraper, and which regulates the draught of the 

 horfes attached to the ring at G, 



K. Tlie pole, or handle, to be made fifteen feet long, 

 which paffes through the firong holdfafts in the braces CD. 

 This pole afls as a lever, as the Icraper may be raifed or funk 



by 



