San Francisco : Architect and Engineer, Inc · leaf 28
FULL LOAD of structural extru-sions on monorail being pulledfrom anodizing tanks 24 feet longby 6 feet deep. Foreman inspects flood lightingfixtures. Window frames readyfor etching. Anodizing tank in foreground is13 feet long by 7 feet deep by5 feet wide. Ten dyeing tanks may be seen inrear of the… … or a rectifier unit supplying 15 to 18 volts of directcurrent which in turn, will normally produce approxi-mately 12!/2 amp. per sq. ft. of work in the bath. It is recommended that a minimum of .^0 min. oftime in the anodizing tank be used which should pro-duce an oxide coating of approximately…
Architecture · Building
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