134 HARNESSING THE EARTHWORM 



CONSTRUCTION DETAILS 

 AND ASSEMBLY 



Photo No. 1 



Work bench, with materials cut to dimensions. 



Photo No. 2. (View without superstructure.) 



End panels. Left shows inside of panel, base-sill flush with 

 bottom of corner posts. Right shows outside of panel, top rail 

 30" above ground, bottom rail 6" above ground. Material for 

 each panel : 2 corner posts, 2x4", 30" long, 3-1 x 6", 36" long; 

 5-1 x 6", 24" long. (Note: Photos No. 2 and No. 3 show view 

 without superstructure. If superstructure is desired, corner 

 posts will be 36" long, as in photo No. 4.) 



Photo No. 3. (View without superstructure.) 



Frame assembled with bottom boards leaning against the 

 corner. Note lath strips tacked on each edge of bottom boards, 

 2" from edge. Removable side- wall members abut against the 

 lath strips on bottom (see photo No. 8). Note position of frame 

 rails side top- rails inside; end top- rails outside. Note that po- 

 sition of base-sills is reversed side-sill outside; end sill inside. 

 Note that top side-rail is composed of 1 x 6" above, 1 x 4" below 

 it 



Photo No. 4. (View with superstructure.) 



Frame showing corner posts projecting 6" above top rails. 

 Note that bottom boards are centered, with ends supported on 

 the end base-sills. Note that side-rails are nailed to flat of cor- 

 ner posts ; end- rails nailed to edge of corner posts. 



Photo No. 5. 



Compost compartment partially assembled, with three of the 

 removable sidewall members leaning against frame. Note space 

 of J4" between members. Uniform spacing between members 

 is maintained by driving a roofing nail into edge of each mem- 

 ber, leaving head of nail projecting %". This spacing is for 



