WESTERN UNION
Field Technical Manual

This was a compact-sized Technical Manual issued to Western Union Field Technicians
as a handy aid in the maintenance and lubrication of Model 28 and Model 35 ASR Sets.

The manual contains 168 pages and is presented in .pdf format

It has been broken down into 18 parts plus Cover and Index.

Most sections are approximately 4 megs in size, so download may take some time.