More
Efficient
LABORATORY- SCALE GAS COMPRESSION
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Quiet, Trouble-Free Operation · · · Yours with
The ANDREAS
HOFER
COMPRESSOR
For compressing gases to 5000 Atmospheres in laboratories and pilot plants, there is no equal to the Hofer Compressor. You can judge for yourself from t h e following features: • • • • •
Horizontal multistage construction with only one stuffing box. Metal packing . . . lasts for years under continuous operation. Sight bubble indicator forewarns time for packing adjustment. Noiseless operation because of minimum clearances . . . minimum valve lift. Known t h e world over for t o p quality and performance. Your copy of catalog awaits your request.
HOFER COMPRESSOR INSTALLATION Whiting Laboratories Standard Oil Company of Indiana
Exclusive Agents F o r Andreas Hofer Compressors In T h e United States and Canada
Autoclave
Engineers
2 9 3 1 WEST 22nd STREET • ERIE, PENNSYLVANIA For further information, circle number 22 A on Readers' Service Card, page 139 A 22 A
INDUSTRIAL AND ENGINEERING CHEMISTRY
