previous <<==>> next

CONCRETE   ESTIMATOR
( 7 1/2"   /   19 cm Scales )
Click a Picture to see the   S E T

 ``` TRANSIT MIXED CONCRETE, Pasadena California / USA (1950) **************************************************************** Manufactured by CONCRETE MASONRY MANUFACTURERS ASSOSIATION S C A L E S of the C O N C R E T E C A L C U L A T O R ================================================================ A THICKNESS ( 3/4" .. 16' ) ---------------------------------------------------------------- B WIDTH OR HEIGHT ( 100' .. 1' ) C LENGTH ( 6" .. 100' ) ---------------------------------------------------------------- D CUBIC YARDS ( 1/2 .. 100 ) R E M A R K S : ================================================================ Scales C & D are functioning as a "common" slide rule. From the I N S T R U C T I O N S printed on the cover: EXAMPLE: How many cubic yards of concrete in a wall 8" thick, 16' high and 76' long? ANSWER: 30 cubic yards. SOLUTION: Set 16' on scale B under 8" on scale A; read answer 30 on scale D under 76' on scale C impressum: ***************************************************************** © C.HAMANN http://public.beuth-hochschule.de/~hamann 10/20/09 ```