Pt LAB APPARATUS a complete line of quality ware . . . crucibles, dishes, electrodes, gauze, sheet, strip, foil, wire and tubing . . . don't forget your used lab ware has high scrap value.
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BISHOP
J . B I S H O P & C O . A
J Ο Η Ν S Ο IN
O F F I C E S :
M ATT HEY
N E W
Y O R K
platinum
works /
" M E T A L S
A S S O C I AT Ε
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M A L V E R N ,
P I T T S B U R G H
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C H I C A G O
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FOR
P E N N S Y L V A N I A
P R E C I S I O N
A T L A N T A
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A N D
H O U S T O N
P E R F O R M A N C E "
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L O S
A N G E L E S
Circle No. 19 on Readers' Service Card
108 A
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ANALYTICAL CHEMISTRY
Circle No. 53 on Readers' Service Card -