Download or read book Li'l Bertha a Compact Electric Resistance Furnace written by David J. Gingery and published by David J. Gingery Publishing, LLC. This book was released on 2015-12-28 with total page 69 pages. Available in PDF, EPUB and Kindle. Book excerpt: Li'l Bertha is Dave Gingery's eighth book and was originally published in 1984 by Lindsay Publications. This second edition has been published by David J. Gingery Publishing, LLC. The book Li'l Bertha describes the construction of an electric furnace that can be used as an alternative to a charcoal or gas fired foundry furnace. Although designed with the foundry in mind, the general design details can be adapted to a wide range of furnace needs from creating ceramics to heat-treating to calcining of investment molds and more.