Part One - Section I: Introduction
TM E9-1901 - IDENTIFICATION OF JAPANESE SHELL AND SHELL FRGAMENTS;
LOCATION OF EMENY BATTERIES

CONTENTS

PART ONE - GENERAL
Section

I.

Introduction
 

1.

Purpose

 

2.

Importance

Section

II.

Shelling Reports (Shellreps)
 

3.

General
 

4.

Value
 

5.

Accuracy
 

6.

Shelling Report Form
 

7.

Reporting New Shells
 

8.

Standard Operating Procedure

 

9.

Personnel and Training

Section

III.

Location of Enemy Batteries and Mortars by Crater Analysis
 

10.

General
 

11.

Uses and Value
 

12.

Inspection of Shelled Areas
 

13.

Crater Survey for Location
 

14.

Determination of Direction and Angle of Fall
 

15.

Location of Batteries
 

16.

Air Observation
 

17.

Identification of Individual Guns and Batteries

 

18.

Location of Enemy Mortars

Section

IV.

Identification of Enemy Shells and Shell Fragments
 

19.

General Basis of Fragment Analysis
 

20.

Nomenclature
 

21.

Markings

 

22.

Color of Projectile

Section

V.

Ready Reference Identifiaction System
 

23.

Baiss of This System
 

24.

Tools and Instruments
 

25.

Description of Ready Reference Section
 

26.

Method of Use

 

27.

Special Section on Rotating Band Seat Fragments

PART TWO - READY REFERENCE SECTION
Section

VI.

Tables
 

28.

Base Plug

 

29.

Boattail

 

30.

Bourrelet
 

31.

Cannelures (Grooves)
 

32.

Diameter (External)
 

33.

Fins
 

34.

Fuze
 

35.

Length
 

36.

Nose
 

37.

Ogive
 

38.

Rotating Band and Seat
 

39.

Thread Count

 

40.

Wall Thickness

Section

VII.

Weapons Characteristics Chart

Section

VIII.

Illustration of Fragments of Rotating Band Seats (10 Seats),
70-A-1 to 200-R-1

Section

IX.

Projectile Data and Illustrations

 

 

Appendix

 

 

Conversion Tables

 

 

Millimeters to Inches

 

 

Decimals to Fractions

Part One - Section I: Introduction