Secor
				Produced in the Williams factory in Derby, U.S.A., by J.B. Secor
				later: Secor Typewriter Co., Derby U.S.A.
Models and s/n	Y	M	D	Remarks	Ref.
"Secor"
	1906-1913			Four rows keyboard	4,13
Model 2 and 3
	since 1908				4,13
				Only 7000 Secor machines were produced, the factory building was sold in 1916, the production machines patents were offered in newspapers in 1924	4