Hering, Carl

1860 – 1926

• Practical directions for winding magnets for dynamos
• Ready reference tables
• Ready reference tables
• Recent progress in electric railways
• Standard table of electrochemical equivalents and their derivatives
• Universal wiring computer
• Electricity at the Paris exposition of 1889
• Table of equivalents of units of measurement
• Universal wiring computer for determining the size of wires for incandescent electric lamp leads and for distribution in general, without calculation, formulæ or knowledge of mathematics