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PHOTOVOLT pH METER MOD. 115
A full-fledged line-operated pH Meter of remarkable accuracy at the UNPRECEDENTED price of $
115
00
• · · m a d e possible b y recent advances in electronic tubes and circuits. Write for Bulletin #225 to
PHOTOVOLT CORPORATION 95 MADISON AVENUE
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N E W YORK 1 6 , Ν . Υ.
For further information, circle number 32 A-1 on Readers' Service Card, page 39 A
PHOTOVOLT
Densitometer
for Partition Chromatography and Paper Electrophoresis
A photoelectric precision instrument for the rapid and convenient evaluation of strips and sheets of filter paper in partition chromatography and paper electrophoresis. Write for Bulletin
* 8 0 0 to
PHOTOVOLT CORP. 95 Madison Avenue Also Colorimeters Fluorimeters Nephelometers
New York 16, Ν. Υ.
| Electronic Photometers pH meters Multiplier Photometers Reflection Meters Interference Filters Glossmeters
Circle No. 32 A 2 on Readers' Service Card, page 39 A
32 A
SIMPLE in operation and maintenance. FAST and dependable in daily service. FULLY stabilized for wide r a n g e of line v o l t a g e fluctuations.
P H O T O V O L T Line-Operated Multiplier FLUORESCENCE METER M
