A textbook on mechanical and electrical engineering (1902)
International Correspondence Schools · Scranton : International Textbook Co. · leaf 182
Cne cf/-hi.Steel Cast.Spider.Scale 3 =/ 44-—, JUNE 25, 1693 For notice of copyright, see page FATOR 16-1 ft. /90 of this.Drawn Copper.Commutator Bar.Scale: half size, … mediately following the title page. JOHN SMITH, CLASS N? 4529. § 14 MECHANICAL DRAWING 43 DRAWING PLATE, TITLE: COMMUTATOR 73. This plate shows the detail ilrawings and an assem-bly drawing of a dynamo eommutator. It is composed of aspider and clamping ring, which are drawn together byeight f-inch…
