ODN 784 Handbook on Trench Mortar Fuzes 1918

War Department.

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Document No. 784. Adjutant General.

juCfJfyf^ffiee of The

WtASSIFJEi:

WAR DEPARTMENT. Washington,

April 6, 1918.

The following pamphlet entitled "Handbook on Trench Mor­ tar Fuzes, Mark VIIand Mark VIIE," is published for the information of all concerned. (062.1 A. G. O.) Okdeb of the Secbetaby of Wab: PEYTON C. MARCH, Major General, Acting

Official: H. P. McCAIN,

The Adjutant General.

3

Chief of Staff.

•

TABLE OF CONTENTS

Page

Plate I—Trench Mortar Fuze, Mark VII,non-delay

—

—

Plate II Trench Mortar Fuze, Mark VII, delay

-

Chart INomenclature

6

..

Trench Mortar Fuze, Mark VIL.

7

8

Trench Mortar Fuze, Mark VII

10

Painting and marking (a) The exterior

10

10

(6) The interior

11

and safety device

(1) The firing mechanism

(2) The explosive elements and

11

12

containers

Non-delay type (Plate I)

13

Delay type (Plate II) Functioning

13

13

13

Preparing fuze for

Plate

VII-E

—

,

use

— IIIFiring mechanism —

of Trench Mortar Fuze, Mark

, 14

Firing Mechanism Chart II Nomenclature Mortar Fuze, Mark VII-E

Trench Mortar Fuze, Mark VII-E

5

of Trench

15

16

PLATE I

Trench Mortar Fuze, Mark VII,Non-delay

I

PLATE II Trench Mortar Fuze, Mark VII,Delay

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