Simplex Electric Light and Plant Co
of Valley Mill, Eccles, Manchester.
1883 Protector Lamp and Lighting Co Ltd formed Simplex Electric Light and Plant Co for purposes of purchasing certain rights and patents in electric arc and incandescent lighting exclusively throughout the UK[1].
1885 W. C. Teale was Managing Director.[2]
1885 Protector Lamp and Lighting Co and Simplex Electric Light and Plant Co occupied adjacent stands at the Glasgow Mining Exhibition[3].