from the book: Western Electric Machine Switching System (extract)
Author: Bell Telephone Manufacturing Company Ltd. Antwerp
text and pictures related to dial and subscriber sets, ? 1910

?

No. 7002 type dial (maintenance instructions), ED. 7302, September 1923
Published by the International Western Electric Company Incorporated
European? Engineering Department, Division No.1
From a black binder titled "No 7-A Machine Switching System"
which holds the 7000 series "ED" instructions
label inside reads: "Book No. 1014 Date April 20 1923
Assigned to Mr. A E Reinke (Riga), this book will be kept up to date, ED instructions"

40 page booklet about the Pentaconta Local Telephone Switching System (Pentaconta 1000 crossbar switch)

43 page booklet