Precast Building Block with Molded-in Recesses

Precast building blocks with molded-in recesses to take electric outlet boxes. This would save a lot of hammering and chipping out of concrete.
By H.P.Fischer, Rochester, Pa.
July 1962
Precast building blocks with molded-in recesses to take electric outlet boxes. This would save a lot of hammering and chipping out of concrete.
By H.P.Fischer, Rochester, Pa.
July 1962