Newall-Keighley Fine Boring Machines Models A and B. Operating and Maintenance Manual with Electrical Schematics.

RICHARDS (George Richards and also found badged Staveley) "Electrabore" Boring and Facing machine. Covers all sizes (A, B and C) and sizes e.g. some being marked: WB15, WB20, WB30, WB40, WB50, etc,