Woodstock
				Woodstock Typewriter Co., Woodstock, U.S.A.
Models and s/n	Y	M	D	Remarks	Ref.
Nos. 3 and 4
	1914-1917			Both models have no consequently running s/n's	1,7,9
				Last machines from these Models were named "Annell" and sold in 1922	4
No. 5
Prefix B	1916-1920			Models with Prefix "B" have no consequently running serial numbers	9
Prefix D	1917-1920				9
Prefix BW	1919-1920				9
Prefix DW	1919-1921				9
Prefix BD and Da	1917-1921			Prefix "812" indicates 12 in. Carriage	1+7
Prefix F	1921-1924			Prefix "8J" indicates 14 in. (16 in.) Carriage	1+7
Prefix H	1924-1925			Prefix "8K" indicates 18 in. carriage.	7
No. 5, Prefixes D, BW, DW, F and H
up to 54400	1917-1920				10
over 77000	1921				9
90000	1922				9
105000	1923				9
115000	1924				9
131000	1925				9
145000	1926				9
160000	1927				9
177000	1928				9
204000	1929				9
240000	1930				9
275000	1931				9
310000	1932				9
No. 5, Prefixes N and HN					1+7
up to 155000	1925				7
175000	1926				7
200000	1927				7
225000	1928			Prefix "8L" indicates 22 in. carriage.	1,7
255000	1929				7
280000	1930				7
310000	1931			Closed-in sides commenced at 324000	1,7
345000	1932				7
375000	1933				7
400000	1934			Key-set Tabulator (as standard equipment) commenced at 437000	1,7
440000	1935				7
440001 to 475000	1936			Typebar hoods commenced at 450000	1
475001 to 505000	1937			Prefix "826" indicates 26 in. carriage.	1
505001 to 530000	1938				1
530001 to 554000	1939			Prefixx "N" used for all size carriages after 530000	1
554001 to 579799	1940				1
579800 to 601999	1941				1
602000 to 622999	1942				1
623000 to 642999	1943				1
643000 to 662999	1944				1
663000 to 729999	1945				1
730000 to 782999	1946				1
783000 to 855999	1947			Basket Shift at 839000	1
856000 to 891999	1948				1
892000 to 999999	1949				1
1000000 upwards	1950				1
Model Signature
	1949			Brown coloured, closed machine, plastic keys	4
Electric
Electrite
	1924	Dez		started	9