Underwood
				Underwood Corp., New York, U.S.A.
Models and s/n	Y	M	D	Remarks	Ref.
No. 1 and No. 2
1001	1897	Apr	1		2,6
1500	1897	Nov	1		2,6
2433	1898	Dec	31		2,6
5594	1899	Dec	31		2,6
7946	1900	Dec	31		2,6
10354	1900	Dec	31	No. 1 and 2 discontinued	2,6
No. 3 with 11", 12", 14", and 16" carriages
1	1900	Feb	14		2,6
up to 900	1902				13
1500	1903	Jan	2		2,6
3500	1904				13
5200	1905				13
10000	1906	Apr	25		2,6
15000	1907	Mar	27		2,6
20000	1907	Nov	22		2,6
25000	1908	Oct	9		2,6
30000	1909	Mar	3	B/S and Bichrome began about 32000	2,6
35000	1909	Sep	6		2,6
40000	1910	Jan	1		2,6
50000	1911	Feb	1		2,6
68000	1912	Mrz	1		2,6
88000	1913	Apr	1		2,6,13
108000	1913	Dec			2,6
110000	1914	Mai	1		2,6
129000	1915	Jun	1	Key S/L began about 132000	2,6
153000	1915	Dec			2,6
155000	1916	Jul	1		2,6
186000	1917	Jan			2,6
200000	1917	May	29		2,6
220000	1918	Jan	1		2,6
250000	1919	Jan	1		2,6
284000	1920	Jan	1		2,6
312000	1920	Jul	1		2,6
338000	1921	Jan	1		2,6
355000	1921	Jul	1		2,6
390000	1922	Jan	1		2,6
415000	1923	Jan	1		2,6
420000	1923	Mar	5		2,6
430000	1923	Jul	1		2,6
450000	1923	Sep	1		2,6
455001	1923	Oct	23	Rising scale began about 455000	2,6
465000	1924	Jan	1		2,6
490000	1924	Jul	1		2,6
500000	1924	Aug	1		2,6
510000	1925	Jan	1		2,6
545000	1925	Jul	1		2,6
550000	1925	Jul	31		2,6
570000	1926	Jan	1		2,6
597000	1926	Jul	1		2,6
625000	1926	Oct	1		2,6
610000	1927	Jan	1	Model No. 3 11" put on the market in 1927	2,6
700000	1927	Oct	5		2,6
715000	1928	Jan	1		2,6
804000	1929	Jan	1		2,6
3000001	1929	Aug	1	Wide carriage Underwood run concurrently with standard carriage	2,6
3635000	1930	Jan	1	Top ribbon switch began about 3690000	2,6
3825000	1931	Jan	1		2,6
No. 3 with 18", 20" and 26" carriages
1	1903	Sep	14		2,6
100	1904	Jun	2		2,6
1000	1905	May	1		2,6
1500	1906	Jun	6		2,6
2500	1907	Apr	26		2,6
3500	1908	Jan	21		2,6
5500	1909	Feb	26		2,6
6000	1909	May	28	B/S and Bichrome began about 6000	2,6
7300	1910	Jan	1		2,6
9800	1911	Jan	1		2,6
10000	1911	Jan	13		2,6
13200	1912	Jan	1		2,6
18750	1913	Jan	1		2,6
23300	1914	Jan	1		2,6
27500	1915	Jan	1		2,6
28000	1915	Jul	1	Key S/L began about 28000	2,6
34000	1916	Jan	1		2,6
50000	1917	Jan	1		2,6
60000	1918	Jan	1		2,6
61900	1919	Jan	1		2,6
73000	1920	Jan	1		2,6
78000	1921	Jan	1		2,6
80500	1921	Jul	1		2,6
85000	1922	Jan	1		2,6
89000	1923	Jan	1		2,6
95000	1923	Aug	8		2,6
97000	1924	Jan	1	Rising scale began about 98000	2,6
101000	1924	Jul	1		2,6
105000	1925	Jan	1		2,6
120000	1926	Jan	1		2,6
134000	1927	Jan	1		2,6
145000	1928	Jan	1		2,6
159000	1929	Jan	1		2,6
3000001	1929	Aug	1		2,6
3635000	1930	Jan	1	Top ribbon switch began about 3690000	2,6
3825000	1931	Jan	1		2,6
No. 4 and No. 5
100	1900	Dec			2,6
1000	1901	Mar			2,6
10000	1902	Feb			2,6
22000	1903				9
50000	1904	May			2,6
100000	1906	Jan			2,6,9
150000	1907	April			2,6
200000	1908	July			2,6
247500	1909	May			2,6
290000	1910	Jan			2,6
360000	1911	Jan			2,6
450000	1912				2,6
551000	1913				2,6
655000	1914				2,6
740000	1915				2,6
830100	1916				2,6
940000	1917				2,6
1050000	1918				2,6
1160000	1919				2,6
1280000	1920	Jan			2,6
1430000	1921	Jan			2,6
1525000	1922	Jan			2,6
1650000	1923	Jan			2,6
1780000	1924	Jan			2,6
1910000	1925	Jan			2,6
2070000	1926	Jan			2,6,9
2167000	1927	Jan			9
2317000	1928	Jan			9
2455000	1929	Jan			2,6,9
3633000	1930	Jan			2,6,9
3825000	1931				2,6
3880000	1932				2,6
3885000	1933				2,6
No. 6 and later
4011883	1931	Jun	1		2,6
4085000	1932	Jan	1		2,6,15
4130000	1933	Jan	1		2,6,15
4200000	1934	Jan	1		2,6,15
4300000	1935	Jan	1		2,6,15
4440000	1936	Jan	1		2,6,15
4610000	1937	Jan	1		2,6,15
4675000	1937	Jul	1		2,6
4747400				No. 6 ended	2,6
	1937	Oct		"M" for "Master" model started	2,6
4800000	1938	Jan	1		2,6,15
4840000	1938	Jul	1		2,6
4965000	1939	Jan	1		2,6,15
5065000	1939	Jul	1		2,6
5155000	1940	Jan	1		2,6,15
5210000	1940	Jul	1		2,6
5230828				"S" model started	2,6
5340000	1941	Jan	1		2,6,15
5400000	1941	Jul	1		2,6
5540000	1942	Jan	1		2,6
5645000	1942	Jul	1		2,6
5715000	1943	Jan	1		2,6
5775000	1945	Jul	1		2,6
5849000	1946	Jan	1		2,6,15
6000000	1946	May	1	"SS" model started	2,6
6010000	1946	Jul	1		2,6,15
6124000	1947	Jan	1		2,6
6170000	1947	Jul	1		2,6
6310000	1948	Jan	1		2,6
6415000	1948	Jul	1		2,6
6530000	1949	Jan	1		2,6
6570000	1949	Jul	1		2,6
6638000	1950	Jan	1		2,6
6720000	1950	Jul	1		2,6
6814000	1951	Jan	1		2,6
6900000	1951	Jul	1		2,6
7010000	1952	Jan	1		2,6
7150000	1952	Jul	1		2,6
7270000	1953	Jan	1		2,6
7340000	1953	Jul	1		2,6
7420000	1954	Jan	1		2,6
Fanfold
up to 3880000	1931				15
3884000	1932				15
3896000	1933				15
4296000	1934				15
4440000	1935				15
4610000	1936				15
4800000	1937				15
4965000	1938				15
5155000	1939				15
5340000	1940				15
5562000	1941				15
5687000	1942				15
Model SX 150
from 7500000	1953	Oct		Model SX 150 started	13
up to 7660103	1955				1
7660104 to 7868338	1956				1
7868339 to 7975836	1957				1
Touchmaster I
8034244 to 8071394	1957				1
8071395 to 8124559	1958				1
8124560 to 8157994	1959				1
8157995 to 8290000	1960				1
Touchmaster II
8290001 to 8356700	1960				1
8356701 to 8512311	1961				1
Touchmaster V
8512312 to 8871139	1961				1
8871140 to 9133814	1962				1
9133815 to 9357367	1963				1
"Noiseless"
N3600001	1929	Jul	1	This model was manufactured by Remington for Underwood	2,6
	1929	Nov	14	First unit was put on market (not manufactured)	2,6
N3605806	1930	Jan	1	This model was manufactured by Remington for Underwood	2,6
N3831583	1931	Jan	1	This model was manufactured by Remington for Underwood	2,6
N3882689	1932	Jan	1	This model was manufactured by Remington for Underwood	2,6
N3885821	1933	Jan	1	This model was manufactured by Remington for Underwood	2,6
N3895848	1934	Jan	1	This model was manufactured by Remington for Underwood	2,6
N3896634	1934	Nov	1	This model was manufactured by Remington for Underwood	2,6
3924000	1935	Jan	1		2,6
3944000	1936	Jan	1		2,6
3966000	1937	Jan	1		2,6
4800000	1938	Jan	1		2,6
4965000	1939	Jan	1		2,6
N5155000	1940	Jan	1		2,6
N5340000	1941	Jan	1		2,6
N5563000	1942	Jan	1		2,6
N5690000	1943	Jan	1		2,6
N5766000	1944				15
	1945			World War II	2,6
5902168	1946		1	This model was manufactured by Remington for Underwood	2,6
5909999	1947	Jan	1	This model was manufactured by Remington for Underwood	2,6
5928384	1948	Jan	1	This model was manufactured by Remington for Underwood	2,6
N5937000	1949	Jan	1	This model was manufactured by Remington for Underwood	2,6
5938000	1950			Remington sold the last 5000 units of black finish Noiseless at termination of their contract. Underwood changed a few to grey finish.	2,6,15
5940000	1951				15
5942000	1952			Underwood sold about 1000 units to the Superior Typewriter Co. On a consignement basis at 100$ per unit. Thus they closed out heir stock of Noiseless machines.	2,6,15
Underwood Electrics
SX-80
up to 6200000	1947				1
De Luxe
up to 6524499	1951				1
Finger-Flite
up to 7275000	1953				1
SX-153					1
up to 7746 1 00	1956				1
SX-165
up to 7908000	1957				1
SX-1167
up to 8184000	1959				1
Documentor Forum and Raphael
up to 8593624	1961				1
up to 8871404	1962				1
up to 9134149	1963				1
up to 9356859	1964				1
up to 9540827	1965				1
Portables
Portable 3-Bank Model
up to 6300	1920				7,13
26500	1921			Weight (in case) 9 3/4 lb. Dimensions of case: Height 5 1/2", Width 10", Length 12 1/4".	1,7,13
26501 to 68000	1922				1,7,13
120000	1923				7,13
160000	1924				7,13
180000	1925				7,13
195000	1926				7,13
201000	1927				7,13
207000	1928				7,13
212500	1929				7,13
Universal, Junior and F-Model
18000	1926	Jan	1	Weight (in case) 13 1/2 lb. Dimensions of case: Height 5 1/2", Width 12", Length 12 1/8".	2,6,15
80000	1927	Jan	1		2,6,15
140000	1928	Jan	1		2,6,15
214000	1929	Jan	1		2,6,15
490000	1930	Jan	1		2,6,15
557000	1931	Jan	1		2,6,15
570000	1932	Jan	1		2,6,15
635000	1933	Jan	1		2,6,15
Universal, Junior, F-Model, Student, Leader, Ace, Correspondant
716000	1934	Jan	1		2,6,15
799000	1935	Jan	1		2,6,15
887000	1936	Jan	1		2,6,15
1043000	1937	Jan	1		2,6,15
1120000	1938	Jan	1		2,6,15
1215000	1939	Jan	1		2,6,15
1311000	1940	Jan	1		15
140300	1941	Jan	1		15
1441000	1942	Jan	1		15
1550000	1946	Jan	1		15
1660000	1947	Jan	1		15
1860000	1948	Jan	1		15
up to G 1895000	1949				13
G 1991000	1950				13
and up to H 2027000	1950				13
J 2155737	1951				13
L 2266646	1952				13
L 2355000	1953				13
Leader, Correspondant, Finger Flight
1890000	1949				15
2010000	1950				15
2130000	1951				15
2250000	1952				15
2345000	1953				15
2438000	1954				15
2560000	1955				15
2684000	1956				15
2838000	1957				15
2923000	1958				15
3006000	1959				15
Champion
713000	1934				15
790000	1935				15
844000	1936				15
967000	1937				15
1110000	1938				15
1180000	1939				15
1284000	1940				15
1379000	1941				15
1442000	1942				15
Noiseless Portable
543150	1932	Feb	1	This model was manufactured by Remington for Underwood and is similar to the Remington "Noiseless 7" model	2,6
577890	1933	Jan	1		2,6
650066	1934	Jan	1		2,6
708150	1935	Jan	1	From 8-Oct-1935 both Underwood Noiseless Portable and Underwood Noiseless 77 in same serial numbers	2,6
790136	1936	Jan	1		2,6
844808	1937	Jan	1		2,6
968173	1938	Jan	1	On 01-Feb-1938 started using prefix letters "P" and "Q", "P" for Noiseless Portable, "Q" for Noiseless Portable 77	2,6
1040238	1939	Jan	1		2,6
up to 118000	1939				15
up to 1284000	1940				15
up to 1379000	1941				15
up to 1442000	1942				15
World War II	1942-1945				2,6
1502099	1946	May	1		2,6
1514999	1947	Jan	1		2,6
1638997	1948	Jan	1		2,6
1639000	1948	Feb	1		2,6
Portable De Luxe
up to 6490000	1949				13
6640000	1950				13
6830000	1951				13
7009000	1952				13
7270000	1953				13
Model 18 Portable
401120 to 412900	1960				2,6
412901 to 432000	1961				2,6
432001 to 470000	1962				2,6
470001 to 510000	1963				2,6
510001 to 582715	1964				6
582716 to 632828	1965				6
632829 and over	1966				6
Model 21 Portable
00026 to 10100	1961				2,6
10101 to 18000	1962				2,6