From Savage catalogs-
1897 & 1900 - No 18 & No 19
1903 - No 18 ($3.00), No 19 ($3.50) & No 20 ($6.00) = "Lyman Combination Rear Wind-Gauge Sight"= Lyman No 29, this has the fold down thumb tab for windage adjustment and is the 1902 Lyman catalog (the only early Lyman catalog I have).
Catalog No 15 (1905) The No 18 is now the No 1B and the No 19 the No 2B - no other tang sights
This is the same in catalogs No 16 (~1906~1907~), No 17 (1907), No 24 (~1908~1909~), No 35 (~1910~) and No 40 (~1911~)
Catalog No 55 (~1914~) No 1B, No 2B, 29½B, and 30½B
