Implements^ etc. 



103 



An improvement has been made by continuing the two main 

 bars to a point, which more 

 readily enables the operator 

 to thrust it up among the 

 branches, and often to sup- 

 port himself by grasping this 

 elevated point. The legs turn 

 at the hinges, b. Fig. 143. 



The folding-ladder may be 

 closed together with the facili- 

 ty of a pair of compasses ; it 

 then becomes a round stick, easily carried in one hand. It is made 

 of strong light wood, and its construction may be readily understood 

 by the annexed figure (144), representing the ladder as open, as 



Fig. 141 



Fig. 142. 



CD 



Fig. 143 



Fig. 144. 



half-closed, and as closely shut An enlarged longitudinal section 

 shows the manner in which the rounds lie in the grooves or concave 

 beds in the sides or styles ; above which is a cross-section exhibit- 

 ing the semi-oval form of the styles. The ends of the rounds turn 

 on iron pins, slightly riveted outside. The rounds resting on shoul- 

 ders, when the ladder is opened, render the whole stiff and firm. 



