Description
Technical Manual Change 2 (TM 9-1240-274-35P) for M117/T177 Panoramic Telescope February 1967 FSN 1240-864-2930
This Technical Manual Change 2 for TM 9-1240-274-35P updates the repair-parts and special-tools publication for the M117/T177 Panoramic Telescope. Dated February 1967, this official Department of the Army change notice applies to the original manual issued December 19, 1962.
Change 2 records revisions to the base technical manual. It is a separate update notice for use with that publication, 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 show how the Army maintained repair-parts publications between full editions. This February 1967 issue preserves a later stage in the amendment history of the M117/T177 parts manual without reproducing the complete base publication.
What This Manual Covers
This Change 2 notice provides revisions issued for the repair-parts and special-tools information in TM 9-1240-274-35P concerning the M117/T177 Panoramic Telescope. The notice amends the base publication rather than replacing it.
Key Features
- Publication: TM 9-1240-274-35P
- Issue type: Official Change 2 notice
- Change date: February 1967
- 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 important 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 February 1967 Change 2 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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