Model making; including workshop practice, design and construction of models, a practical treatise for the amateur and professional mechanic .. (1919)
Yates, Raymond F. (Raymond Francis), 1895- ed · New York, The Norman W. Henley Pub. Co. · leaf 321
y, whilethe one at the right starts and stops the control devicemotor. When these switches are open, no current canflow through the circuits, even though the controllermight be left in an **on position. EM2 has controls as follows: turn to right, neutral;turn to left, neutral; start motor, stop… … Fig. 227—The driving motor, with relay switch mounted in place has but to construct a mechanism similar in principle tothat emplo3^ed in the control of the rudder. In order to use the central control device described,the contacts have been grouped into pairs by bridging
Machinery
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
