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And Graphic Controls makes recording charts for 155 other R & D instruments.

Take your choice. Strip, rectangular or circular—over 3 0 , 0 0 0 different recording charts. For oscillographs, spectrometers, chromatographs, event recorders and X-Y plotters. And five different writing methods—heat, pressure, electro, photo and ink. Special papers too, like mylar, and translucent vellum. That's the kind of selection you get when you order

all your charts from Graphic Controls—THE chartmaker. You'll save time and money, too. Specify GC Recording Charts and see for yourself.

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RECORDING CHART DIVISION

GRAPHIC CONTROLS CORPORATION 189

Circle No. 109 on Readers' Service Card

VAN

RENSSELAER

STREET.

BUFFALO,

NEW

YORK

14210