148 Concrete Silos 



A special bender for making the rods and links is 

 included in the outfit if desired, or these will be fur- 

 nished by the company to those who do not care to 

 prepare their own. A bender can also be secured for 

 changing dividing plates from one radius to another. 



Iron or steel door frames are either secured from 

 the company, or a pattern only is bought, allowing the 

 contractor to have his frames made at the nearest 

 foundry. All frames are curved to a radius of 8 feet, 

 in order to avoid multiplication of parts, as the dif- 



4 SIDES KEMOWBLE SOON AFTEff F/LUNG. 

 B. G4V/TY COXES S REJNFWCEMENT 



SUPPORT. 

 C 



WPOS/7XW. 



0. SLOT COVER. 

 CURVED STEEL 

 F ADJUSTABLE CLAMPS. 



Hurst Silo Block Mold 



ference of curvature is scarcely noticeable in the width 

 of a door when this frame is used on other sizes. The 

 frame provides a beveled rabbet for a wood door, and 

 carries loops to connect with the reinforcing rods of 

 the adjoining blocks. 



Steps are bolted to the doors, or ladder steps of 

 steel with ends flattened are embedded in the mortar 

 between the courses of blocks. 



If a chute is desired, %x5-inch bolts are inserted 

 in every third mortar joint on either side of the door 

 frames, beginning 8 feet from the ground. Similar 



