Wikipedia

File:Measuring Slope Angle with GTA 5-2-12 (Step 1).png

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Summary

Description
English: Inclinometers: The issued Army Protractor, GTA 5-2-12, 1981, can be modified to read slope angle easily.
  1. Hold the card so the text can be read.
  2. Punch a hole in the exact center of the device and thread a tiny string through and tie a securing knot on the backside of the card.
  3. Extend the string far beyond the farthest corner of the card; add 2 - 3 inches and cut the string.
  4. Tie a weight, such as a small washer or nut, to the fresh cut end.
Date
Source https://api.army.mil/e2/c/downloads/440621.pdf
Author Northern Warfare Training Center

Licensing

Public domain
This file is a work of a U.S. Army soldier or employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, it is in the public domain in the United States.

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Captions

Step 1: Stick nut with a niddle to the center point of GTA 5-2-12 protractor.

Items portrayed in this file

depicts

inception

2 October 2015

data size

348,582 byte

height

560 pixel

width

623 pixel

media type

image/png

checksum

207020561b4dcfaf840f6436e6b65c491f06b9ed

determination method or standard: SHA-1

File history

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Date/TimeThumbnailDimensionsUserComment
current15:03, 14 October 2025Thumbnail for version as of 15:03, 14 October 2025623 × 560 (340 KB)Appsoft4Uploaded a work by Northern Warfare Training Center from https://api.army.mil/e2/c/downloads/440621.pdf with UploadWizard

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