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volt amp watt cp      National Projector carbon handbook first edition 1926 Original for sale: $200 front cover page 2-blank page 3-title page page 4-copyright page page 5-preface page 6-photo of National factory page 7-Table of Contents page 8-blank page 9-Carbon, its Properties page 10-cont. page 11-Projector Carbons page 12-cont. Amp/Candle Power page 13-cont. page 14-photo 10,12,14,16 Amp page 15-photo 18,20,22,24 Amp page 16-cont. page 17-cont. page 18-Carbon Trims-DC Current page 19-cont. page 20-cont. Cored & Orotip combos page 21-cont. Alt Current page 22-cont. White Flame AC combo page 23-cont. DC low intesity page 24-cont. page 25-cont. Cored & Solid combos page 26-High Intesity Lamps page 27-cont. page 28-cont. High Intensity combos page 29-cont. page 30-Operating Precautions page 31-Arc Travelling/Wandering page 32-Burned Out/Back Craters page 33-Lip & Mushroom Points page 34-Excessive Spindling page 35-Sputter at the Arc page 36-Mirror/Reflector Arc Lamps page 37-cont. low intesity page 38-cont. high intesity page 39-cont. page 40-cont. page 41-Packing of Projector Carbons page 42-Products of National Carbon Co. page 43-Care of Measuring Inst. page 44-cont. page 45-Electrical Energy formula page 46-Carrying Capacity Copper Wire page 47-Properites Copper Wire page 48-Electricy Ohmic Resistance page 49-cont. Temp Coefficients Elec. Resist page 50-Mensuration formulas page 51-cont. page 52-Useful Information-weight/measure page 53-cont. page 54-Thermometer Scales page 55-Decimal Equivalents page 56-Metric Equivalents page 57-cont. page 58-Millimeter/Inch Equivalents page 59-cont. page 60-Areas & Circumference of Circles page 61-cont. page 62-cont. page 63-cont. page 64-cont. page 65-Memoranda back cover  Website and contents © Copyright 2008 - all rights reserved - www.donsbulbs.com