Eureka Reporter | 1903-11-27 | Page 5 | The Bible Brick

the bible brick E 13 G acheson of niagara falls NI while lille be he m was as searching for the best clay to make crucibles read the statements ments in the fifth chapter of exodus about the use of straw and stubble la in the manufacture of ancient egyptian bricks he procured some straw bad it boiled and mixed the dark red liquid thus obtained with clay ile found that the plasticity was mas greatly increased invest gal gat on showed that the tannin was the lettle agent and when he treated over clay with a solution of tannin in feltel he lie obtained surprising results the strength anif and plasticity of the clay are increased and the tendency to shrink and warp 18 I 1 greatly bedul 1 in ln this process sun bull drying is im far to burning and in en days the clay Is better tempered than ta in montha or even years by th the old process