Salter				George Salter & Co., West-Bromwich
				In some countries the machine was sold under the brandnames Perfect, Rapide, Royal-Express
Models and s/n	Y	M	D	Remarks	Ref.
Salter Model 5				With Inking pad	4
up to 2000	started 1892			Estimated	-
Salter Model 5 Improved				With colour ribbon, since 1900 with automatic ribbon reversal and shift mechnism	4
2000-3000				Estimated from known serial numbers	-
Salter Model 6				Straight keyboard, normal size space key, carriage and platen removable	4
3000-10000	ca. 1901			Estimated from known serial numbers	-
Salter Model 7				Two colour ribbon	4
10000-14000	1907			Estimated from known serial numbers	-
Salter Model 9				Larger carriage, back-space key, new line space mechanism, improved paper feed, keytops out of porcellaine	4
	1908			Obviously different numbering, machine s/n 395 known to exist	-
Salter Model 10
14000-22000	ca. 1910			Estimated from known serial numbers	-
Salter Standard "Visible"
				Four key-rows machine, 42 keys, typelevers in 45 degrees position	4
"H" Series
30000-32000	1913			Prefix "H" (could stand for the black model), Estimated from known serial numbers	-
"J" Series
32000-33000	1913			Prefix "J" (could stand for the grey model), Estimated from known serial numbers	-
				The Salter "Visible" was no success and the production ended soon. The "British Empire" was the successor of this machine from 1924 on.	4