Dale, charles,W.Taylor, Donald D.2018-10-152018-10-1519761976Charles W.Dale & Donald D.Taylor,(1976) DCLAB-8 The Mechanical Switch .Texas learning Centrehttp://196.43.179.3:8080/xmlui/handle/123456789/235This video looks at basic types of mechanical switches like the Single pole single throw switch, the double pole single pole switch.en-USMechanical switchesVideo