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B U R R E L L *#*?& V e ^ o . F U R N A C E S - W a r specifications have demonstrated the value of higher temperatures in fast "clean" determinations of carbon and sulfur in iron and steel analyses. Accelerators are not required. M U L T I P L E T U B E F U R N A C E S - T h e 2-tube "most popular" model doubles capacity, measures 14"xl7"x22" long, has a 9" heating chamber, and consumes 1.5 kw at 2500°F. Top temperatures of 2650°F. are easily maintained. MODERN ACCESSORCES-Tap transformers modernize and simplify heat control. Pyrometers with rare metal thermocouples continuously indicate operating temperatures. QUICK ELEMENT CHANGE The non-metallie heating elements (no nickel or chromium) are silicon carbide rods which can be changed conveniently without dismantling the furnace. CATALOG F-241—See the new box, muffle, tube, and pit type furnaces which provide convenient working chambers for a wide variety of heating operations in laboratories and pilot plants. Special high temperature furnaces are built to order.
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BURRELL 1936-42 Fifih Avenue, 1490
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sunn W--· Pittsburgh'/. Pa.-' - ' CHEMICAL
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ENGINEERING
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