Chemical Instrumentation S. Z. LEWIN,
N e w York University, Washington Squore, New York 3,
N. Y.
T/r,is series a j articles presents a surwy of the basic prinof those instruments which find iniciples, r h n ~ n r t r ~ i s f iand ~ . ~ limilations , oortanl aoulirntions i n chen~icalwork. The emnhasis is on com.mercialln .. &~ailahlrerpipwrnt, and approximate prices are qudted to show the order of ma;: nitude of cosf qf the zrarious types of design and construction.
11. Infrared Spectrometers Applied Physics Corporation
One of the most highly devcloprd infrsred spmtromcters (.on~m~r~i:t11y ~vailahlr is the- rrt.r.t,tly-:
