Electrical Contracting Shop System, Estimating, Wiring, Construction Methods, and Hints on Getting Business

ISBN: 9781330384534 出版年：2016 页码：165 Louis J Auerbacher Forgotten Books

This volume was written for the wireman and contractor, with a view to giving him, not only some practical hints on latest construction methods, but also to suggest to him means for increasing his income. Many special devices have been described, which may sug gest to the contractor, an extra which he may sell his customer.