SARGENT-WELCH

in the Sargent-Welch tradition of fine recorders...

model xkr 1975

• 250 mm (9.83 in) Chart • Single or 9-Speed Drive • Half-second Pen Response • Metric Calibration • 1 , 2, 5 & 10 or 10, 20, 50 & 100 mV Spans • Compact — 17 χ 44 χ 40 cm • High Impact Cycolac T® Case • Price Range — $495.00 to $700.00

1956 1959 1963 1967

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Sargent-Welch Scientific Company · 7300 North Under Avenue · Skokie, Illinois 60076 · (312)677-0600 Anaheim · Birmingham · Chicago · Cincinnati · Cleveland · Dallas · Denver · Detroit · Springfield, N.J. · Toronto · Montreal

CIRCLE 193 ON READER SERVICE CARD

ANALYTICAL CHEMISTRY, VOL. 48, NO. 1, JANUARY 1976 · 53 A