Condition:Excellent Condition. No writing, no highlighting, no creases, no tears. No ownership marks. See photos. Only one slide chart is available.
Description
Size Guide
Description
Vortec Corporation Cincinnati Ohio Slide Chart. One side is titled Heat Load Calculator For Electrical Enclosures. Set temperature difference, read BTU gain, BTU per hour gain, gain or loss in watts. The opposite side is titled Sizing Guide - Vortec Enclosure Coolers. Resistiive Heat Dissipation in Enclosure - watts. See photos.