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MsmmmmttimmâàMàiËËâiàmËÈ Sargent's new SRG-GC Recorder. Less than 1-second full-scale pen response. ±0.25% accuracy. Seven switch-selected cali- brated spans of 1, 2, 5, 10,20, 50, and 100 mv. Three switch- selected chart speeds. Improved filtering and circuit guarding to eliminate A.C. components of input signal. Optional integrator for precise measurement of areas under curve. Call or write us. SARGENT-WELCH Scientific instruments, apparatus, chemicals. Sargent-Welch Scientific Company 7300 N. Under Ave.; Skokie, Illinois 60076 Chicago/Anaheim/Birmingham/Cincinnati Clave land/Dallas/Denver/Detroit Springfield, M.J./Toronto/Montrsal/Vanoouver Circle Ne. 122 on Headers' Service Card The plot: to make your gas chromatograph tell all. The plotter:
