acrylic-type baking enamels. Man­ufacturer says the enamels have im­proved color and gloss retention, thermal stability, and resistance to weathering. Dept. IEC, Silicones Division, Union Carbide Corp., 30 East 42nd St., New York 17, Ν. Y.

33

Flexible Plastic Tubing Flexible tubing extruded from

high impact polystyrene and PVC is now commercially available. Suggested applications are for use in instrument and control lines handling liquids and gases, coolant and fuel lines, propane and butane lines, and refrigerating units. Dept. IEC, Carlon Products Corp., 10225 Meech Ave., Cleveland 5, Ohio.

34

Pipe Covering with Built-in Tie Wires

New pipe insulation can be put on in a jiffy with built-in tie wires. The exterior surface is faced with a metal fabric of 16-gage wires welded in a rectangular mesh and held in place by 16-gage wires tied through the spun wool to an inner facing of 1-inch expanded metal lath. Speed fastening on the pipe is done by hooking seven wires which extend from one end of the outer mesh fabric under the oppo­site stay wire and bending them over and back. Dept. IEC, Engi­neering Dept., Baldwin-Hill Co., 500 Breunig Ave., Trenton, N. J.

35

Petroleum Inhibitor Applied to refinery streams, this

new additive prevents deposition and fouling in heat exchangers and reboilers, according to its manu­facturer. Crude oil and residual fuel oil tanks and transfer equip­ment may be kept free of sediment and waxy deposits with the com­pound, Polyflo 100. From 5 to 15

J^W-Lore information is as near as your mailbox! Just write to the manufacturer of the item in which you are interested. Use of your company letterhead will ensure speedy reply · · · · · · · · · · · · · ·

Anyone who can learn to operate a desk calculator can now use an electronic computer. New techniques developed for the Bendix G-15 Digital Computer make it so easy to use that the fundamentals can be mastered in thirty minu tes . . . a working knowledge of programming in four hours or less. The G-15 can be used by the men who know their own problems best, right in their offices and laboratories, and often at l / 1 0 t h the cost of "computing center" installations.

G-15 ADVANTAGES Memory and speed of computers costing four times as much · Paper tape output and 250 char/sec paper tape input at no added cost · 1,200,000 words of magnetic tape memory available · Punched card input-output available · Extensive library of programs furnished · Strong users' sharing organization · Proven reliability · Nationwide sales and service · Lease or purchase.

Bendix Computer

D I V I S I O N O F B E N D I X A I R C R A F T C O R P O R A T I O N

Built and backed by Bendix, the G-15 is serving scores of progressive businesses, large and smal l , throughout the wor ld . For the detai ls, wr i te to Bendix Computer, Department G-2, Los Angeles 45, California.

VOL. 50, NO. 4 · APRIL 1958 121 A

"We learned to use the

Bendix G-15 computer in just

four hours!'