Angle Plate Solid Set (2 Piece) Fowler

Angle Plate Solid Set (2 Piece) Fowler
ebuy number: 25591
Region: UK

Fowler brand. Made from hardened and ground steel, 932" thick. Angular accuracy ? 30 seconds. Flatness within 0.0004".
Plate 1: 30, 60, 90?. 2 x 3 1532 x 4", Plate 2: 45, 45, 90?. 3 x 3 x 4 38"