6 THE COLORADO EXPERIMENT STATION 



satisfactory, providing sufficiently heavy material is used in their 

 construction. 



The advantages of the sheet iron mold are many. They are 

 light to handle and easy to keep clean. If properly made they are 

 nearly water tight. This insures the user against the possible loss 

 of cement by leakage. Another marked advantage of the sheet-iron 

 mold is that the surface being smooth, imparts a very smooth, 



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S/D Of MOLD. 



WS/D V/EW. 



BASE. 



TOP. 6AS- GROUND TOP. 



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MOLD ASSEMBLED. 

 4. ^. S/DCV/EW. 



Figure I. 



A Home Made Mold Giving the Proper Shape to the Post. 1. Base 

 fastener. 2. Base end piece. 3. Ground line fastener. 4. 4, etc. Tie 

 hole pins. 5. Top piece pin. 6. Top end piece. 7. Top fastener. A. 

 Side of mold. B. Pallette. 



glossy finish to the surface of the post. This not only adds beauty 

 to the post, but aids in keeping out water, which might otherwise 

 enter the cured post. 



As the sheet-iron molds are made in one piece, no pallette is 

 necessary. In hot weather the post may be removed after 48 hours, 

 but in cold weather a much longer time is required. 



