HYDRAULIC SLIDE RULE
CONCRETE PIPE ASSOCIATION OF MICHIGAN
FOR THE DESIGN OF SEWERS -Based on Manning's Formula
Frontier Dolomite Concrete Products of LOCKPORT, NY
Good used condition, some stains - see photos
measures approx. 13" x 4.75" diameter - MADE IN USA
LOC: PL1
HYDRAULIC SLIDE RULE CONCRETE PIPE SEWER DESIGN Manning's Formula Dolomite Culv
HYDRAULIC SLIDE RULE
CONCRETE PIPE ASSOCIATION OF MICHIGAN
FOR THE DESIGN OF SEWERS -Based on Manning's Formula
Frontier Dolomite Concrete Products of LOCKPORT, NY
Good used condition, some stains - see photos
measures approx. 13" x 4.75" diameter - MADE IN USA
LOC: PL1
