The Architect & engineer of California and the Pacific Coast (1905)
San Francisco, Calif. : Architect and Engineer Co · leaf 92
FounJatiun for a Sixteen Liuunber Ki, The Architci-t and Engineer … niaiiUained until complete vitrificationtakes place, without melting the block.To melt the block is to ruin both formand texture. By iiii.xing the shalesabove mentioned a product is obtainedat which incipient vitrification begins ata well defined temperature but the melt-ing point is not reached…
Architecture · Building
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