Hart Parr

Model 10-20 B

1921 ....................35001
1922 ....................35217

Model 10-20 C

1922 ....................35501
1923 ....................35528
1924 ....................35761

Model 12-24 E

1924 ....................36001
1925 ....................36075
1926 ....................36601
1927 ....................37195
1928 ....................38119

Model 12-24 H

1928 ....................39602
1929 ....................39687
1930 ....................42278

Model 12-27

1914 .....................5816
1915 .....................5993

Model 15-30

1910 .....................2332
1911 .....................2353
1912 .....................2383

Model 15-30 A

1918 .....................8401
1919 .....................9384
1921 ....................18470
1922 ....................18851

Model 15-30 A

1920 ..............13026-17915

Model 15-30 C

1922 ....................21001
1923 ....................21393
1924 ....................21899

Model 16-30 E

1924 ....................22501
1925 ....................22602

Model 16-30 F

1926 ....................24001

Model 17-30

1901 .....................1205
1902 .....................1206
1903 ................1208-1219
1904 .....................NONE
1905 ................1346-1347
1906 ................1435-1454

Model 18-36 G

1926 ....................26001
1927 ....................26360

Model 18-36 H

1927 ....................28851
1928 ....................29636
1929 ....................24567
1929 ....................85001
1930 ....................89159

Model 22-45

1903 ................1220-1245
1904 ................1306-1345
1905 ................1364-1393
1905 ................1415-1434
1906 ..............Canada 1445
1906 ................1455-1604

Model 28-50

1927 ....................70501
1928 ....................70719
1929 ....................70968
1930 ....................71401

Model 60-100

1911 .....................4000
1912 .....................4101

Model Little Red Devil

1914 .....................6219
1915 .....................6245
1916 .....................6744