MECA

ENGINEERING INSTRUCTION BOOKLETS FOR THE ELECTRIC UTILITIES INDUSTRY, CONTAINING ROTATABLE CALCULATING DISCS FOR DETERMINING CONSTRUCTION COSTS AND PROVIDING INFORMATION FOR ENGINEERING AND MANAGEMENT ACTIVITIES SUCH AS MATERIAL CONTROL, PLANT ACCOUNTING, BUDGETING, AND WORK LOAD PROJECTION, ISSUED FROM TIME TO TIME FOR USE RESPECTIVELY IN THE FIELDS OF OVERHEAD DISTRIBUTION UNDERGROUND, TRANSMISSION, AND SUB-STATION CONSTRUCTION