Description
Technical Manual Change 1 (TM 9-1240-245-35P) for M15/T52 Range Finder January 1961
This official Technical Manual Change 1 for TM 9-1240-245-35P updates the repair-parts publication for the M15/T52 Range Finder and is dated January 1961.
The change applies to the original TM 9-1240-245-35P issued on July 26, 1960. It contains the official revisions introduced by Change 1 and is not the complete base manual.
Historical Significance
The M15/T52 Range Finder was part of the Cold War-era fire-control equipment used with the M103A1 Heavy Tank. This stereoscopic instrument helped the tank commander determine target range for accurate long-range fire with the vehicle's 120 mm Gun M58.
The range finder worked within a fire-control arrangement that included the M14 Ballistic Computer, M29 Periscope, and M102 Telescope. Publications such as this change notice document how the Army kept the maintenance and supply information for that equipment current.
Relationship to the July 1960 Base Manual
Change 1 was issued to amend TM 9-1240-245-35P, the field- and depot-maintenance repair-parts and special-tools publication for the M15/T52 Range Finder. The change notice is intended to be used with the July 26, 1960 base manual.
As a separate update, it preserves the first official revision level for the publication without reproducing the complete parts manual.
What This Manual Covers
This Change 1 update provides revised information for the M15/T52 field- and depot-level repair-parts publication. Its purpose is to bring affected material in the July 1960 base manual to the Change 1 revision level.
The underlying -35P manual supports repair-parts identification, requisitioning, maintenance planning, and special-tools reference for the M15 range finder. This change notice covers only the official amendments issued in January 1961.
Key Features
- Publication number: TM 9-1240-245-35P
- Change designation: Change 1
- Change date: January 1961
- Base-manual issue date: July 26, 1960
- Equipment covered: M15/T52 Range Finder
- Publication type: official technical-manual change notice
- Base-manual scope: field and depot maintenance repair parts and special tools
- Primary system application: M103A1 Heavy Tank fire-control system
Why This Manual Matters
This change notice preserves the first official update to the Army's repair-parts documentation for the M15/T52 Range Finder. It helps show how parts and maintenance-support information for a specialized optical instrument was revised after the base manual was issued.
For collectors and researchers, Change 1 also complements the July 1960 parts manual and documents a specific revision in the technical-publication history of the M103A1 fire-control system.
About This Manual
Published by the Department of the Army in January 1961, this is Change 1 for TM 9-1240-245-35P. It updates the original repair-parts and special-tools manual issued on July 26, 1960.
This item is an official change notice rather than the complete TM 9-1240-245-35P base manual.
Ideal For
This change notice is a strong fit for:
- U.S. Army technical-manual collectors
- Collectors completing a TM 9-1240-245-35P reference set
- M103 and M103A1 Heavy Tank researchers
- Military optics and fire-control historians
- Museums and reference libraries
- Restoration research involving M15/T52 range-finder equipment
Approx length 8", Approx width 10", Approx height .1", Approx weight .1lbs.
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