Pratt and Whitney Model C Lathe: Relieving Attachment: Instructions and comprehensive gear charts.

Pratt and Whitney 4.5" Thread Miller Model C. Operator's Instruction Book.

Pratt and Whitney 6" Thread Miller Model C. Operator's Instruction Book and Parts Manual as Sectional and Annotated Drawings. Includes a schematic of the gearing system, charts for feed rates and English to metric, metric to English and Diametral transposing changewheel settings.

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,

Scrivener (Wickman-Scrivener) No. 1 Centerless Grinder Model C and D: Two editions, early and late, of the Operator's Instruction and Maintenance Manual