Plankinton

2 makers. The earliest year printed is 1916, the latest 1924.

Every maker here has Plankinton in a printed line.

1900s

• listed 1916 Hasbrouck, F. S.
  m.r. — Plankinton, S. Dak.
• listed 1924 Hasbrouck, F. B.
  amateur m.r. Plankinton, S. Dak.

The books that name them

• The Violinist's Guide (1924 edition), pp. 49–50 — the Roberts, Robinson and Rothammer entries, 1924
• The Violinist's Guide (1916), 1916

Some names appear twice under different spellings. Each is one book's spelling.