New Products
Floating Point Processor for PDP-12 A floating point processor for the PDP-12 laboratory computer does cal culations as much as 39 times faster. The FPP-12 is designed for all types of floating point arithmetic. Typically, a three-word, 36-point floating point mul tiply took 1100 //.sec when done by soft ware, and 500 ,usec when done by soft ware and an Extended Arithmetic Ele ment. An FPP-12-equipped PDP-12 can do the same calculation in 28 ^sec. The price of the unit is $7500. The ba sic price of the PDP-12 which includes visual display, analog-to-digital con verter, and two magnetic tape units, is $29,900. Digital Equipment Corp., Mavnard, Mass. 01754. 617-897-5111 418
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SOPHIS TICATES Meet four of a myriad of research dewars custom-designed and care fully constructed* by Cryogenic As sociates Inc. . . . research dewars most sought after by the chemist, the physicist, the biologist, the aero space e n g i n e e r . . . to mention a few. T h e s e sophisticated non-nitrogen and nitrogen shielded helium re search dewars are available as com plete systems with Cryogenic As sociates' exclusive custom flexible tube transfer lines, temperature and liquid level controllers, sensors and electronic power supplies.
this new booklet "figures" to help you
Low-Cost Digital Computer The SPC-12 automation computer with 4K memory (expandable to 16K) is ideal for remote site, locally dedicated control applications. Priced at only $3600 the computer includes 4K wordis of S-bit core memory, power supply, chassis, and front console. It also fea tures four 12-bit hardware accumula tors, three 12-bit hardware index regis ters, real-time clock, operations moni tor alarm, a 12-bit parallel I/O chan nel, a serial I / O channel and teletype writer interface, priority interrupt con trol with an interrupt line, D M A / D M T expansion capability, and a free com prehensive software support package. General Automation, Inc., 1055 S. East, St., Anaheim, Calif. 92805. 714-7784800 419
S e n d for FREE M C & B conversion booklet Order now and help will be on the way fast. Help in the form of hundredsof figuring formulae for quick and easy conversions. In cluded in our booklet is every thing from Abcoulombs to Statcoulombs, yards to millimeters. Have we converted you? If so, fill out the handy coupon and mail.
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CRYOGENIC ASSOCIATES INC. ". . . for the finest in Cryogenic Systems" 1718 North Luett Avenue Indianapolis, Indiana 46222 Phone: (317) 632-2515
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MANUFACTURING
Quantimet 720 image analyzing com puter performs pattern recognition tasks. Designed as a research instru ment, the computer is of modular de sign and allows the easy addition of many extra modules to the basic sys tem. The instrument will be shown at Nepcon '71 West at the Convention Center, Anaheim, Calif., Feb. 9 to 1 1 . The instrument is made by Image Ana lysing Computers, Ltd., Melbourne, Royston, Hertfordshire. $35,000. The U.S. subsidiary is Imanco, 40 Robert Pitt Dr., Monsey, Ν. Υ. 10952 420
CHEMISTS
Norwood, Ohio; Baton Rouge, La., East Rutherford, N.J.; Los Angeles. Calif. 3-70 M C B MC&B MANUFACTURING CHEMISTS 2 9 0 9 Highléind A v e n u e Norwood, Ohio 45212
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ANALYTICAL CHEMISTRY, VOL. 43, NO. 1, JANUARY 1971
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