Description
Technical Manual Change 1 (TM 9-1240-274-35P) for M117/T177 Panoramic Telescope May 1965 FSN 1240-864-2930
This Technical Manual Change 1 for TM 9-1240-274-35P updates the repair-parts and special-tools publication for the M117/T177 Panoramic Telescope. Dated May 1965, this official Department of the Army change notice applies to the original manual issued December 19, 1962.
Change 1 was issued for use with the base technical manual and records revisions to that publication. It is an update notice, not the complete December 1962 manual.
Historical Significance
The M117 panoramic telescope was part of the sighting equipment used with the M145/T208 telescope mount on the M108 105 mm and M109 155 mm self-propelled howitzers. This optical and mounting arrangement supported azimuth laying for indirect-fire missions.
Official change notices document how the Army maintained its repair-parts publications between full editions. This May 1965 issue preserves the amendment history of the M117/T177 parts manual without reprinting the complete base publication.
What This Manual Covers
This Change 1 notice provides the revisions issued for the repair-parts and special-tools information in TM 9-1240-274-35P concerning the M117/T177 Panoramic Telescope. The notice is intended to amend the base publication rather than replace it.
Key Features
- Publication: TM 9-1240-274-35P
- Issue type: Official Change 1 notice
- Change date: May 1965
- Base-manual date: December 19, 1962
- Equipment: M117/T177 Panoramic Telescope
- Federal Stock Number: 1240-864-2930
- Issuing authority: Department of the Army
Why This Manual Matters
Change notices are essential for tracing the official revision history of Army technical publications. This issue is useful for completing a TM 9-1240-274-35P manual set and for studying the parts-support documentation associated with the M117/T177 panoramic telescope.
About This Manual
This item is the May 1965 Change 1 notice only. It is not the complete TM 9-1240-274-35P base manual issued December 19, 1962.
Ideal For
This technical manual change notice is well suited for:
- Collectors completing a TM 9-1240-274-35P publication set
- Owners of the December 19, 1962 base manual
- Military optical-instrument and artillery researchers
- M108 and M109 self-propelled howitzer historians
- Museum, archive, and restoration reference libraries
Approx length 8", Approx width 10", Approx height .1", Approx weight .1lbs.
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