90 BUILDINGS &c. 



move it, and being less secure from accidents than the 

 screw. Of the kinds of screws, that denominated the 

 drop-screw, descending from a fixed beam, and usu- 

 ally worked by the strength of two or three men ; is 

 much preferable to the fixed screw and falling beam, 

 usually worked in the last stages of the operation by 

 a horse ; being less liable to danger to the workmen, 

 and injury to the press. 



In many of the large establishments in the cider 

 counties of New-Jersey, it is common to see a mill 

 constructed on the improved principles here described, 

 supply three or four presses. In the year 1810, a 

 citizen of this State with one mill and three presses, 

 made eleven hundred barrels of cider, chiefly for dis- 

 tillation. 



