John Breed, Diary and Training diary, item 113

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Note

     The Mark IV fuze is made of aluminum, except

when otherwise stated and consists of the following principal

parts;

     Body with brass ring, top and bottom composition

rings, two waterproofed cloth washers, cap with set screw,

base plug, time and percussion arrangements, and brass

cover.

The lower portion of the body is screwed to receive a holder

for the percussion arrangement, and the upper portion forms

a stem containing the time detonator pellet and its stirrups

springs. The shoulder or flange of the body is fitted with

a brass ring, to the lower part of which the lugs cover is

screwed.

The upper part of the brass ring is graduated from 0 to 22

each graduation being divided into 10 parts; a square

notch is cut for the No 14 Mark II  fixing key, and a small

cross to denote safety point. A recess is turned on the

under side of the brass ring to fit over the nose of the shell

and is provided with a better washer soaked in mineral

jelly

A pin is screwed into the lower time ring to form a

P.T.O

Transcription saved

Note

     The Mark IV fuze is made of aluminum, except

when otherwise stated and consists of the following principal

parts;

     Body with brass ring, top and bottom composition

rings, two waterproofed cloth washers, cap with set screw,

base plug, time and percussion arrangements, and brass

cover.

The lower portion of the body is screwed to receive a holder

for the percussion arrangement, and the upper portion forms

a stem containing the time detonator pellet and its stirrups

springs. The shoulder or flange of the body is fitted with

a brass ring, to the lower part of which the lugs cover is

screwed.

The upper part of the brass ring is graduated from 0 to 22

each graduation being divided into 10 parts; a square

notch is cut for the No 14 Mark II  fixing key, and a small

cross to denote safety point. A recess is turned on the

under side of the brass ring to fit over the nose of the shell

and is provided with a better washer soaked in mineral

jelly

A pin is screwed into the lower time ring to form a

P.T.O


Transcription history
  • March 29, 2017 03:29:48 Cheryl Ellsworth

    Note

         The Mark IV fuze is made of aluminum, except

    when otherwise stated and consists of the following principal

    parts;

         Body with brass ring, top and bottom composition

    rings, two waterproofed cloth washers, cap with set screw,

    base plug, time and percussion arrangements, and brass

    cover.

    The lower portion of the body is screwed to receive a holder

    for the percussion arrangement, and the upper portion forms

    a stem containing the time detonator pellet and its stirrups

    springs. The shoulder or flange of the body is fitted with

    a brass ring, to the lower part of which the lugs cover is

    screwed.

    The upper part of the brass ring is graduated from 0 to 22

    each graduation being divided into 10 parts; a square

    notch is cut for the No 14 Mark II  fixing key, and a small

    cross to denote safety point. A recess is turned on the

    under side of the brass ring to fit over the nose of the shell

    and is provided with a better washer soaked in mineral

    jelly

    A pin is screwed into the lower time ring to form a

    P.T.O

Description

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    ID
    17035 / 198352
    Source
    http://europeana1914-1918.eu/...
    Contributor
    Mrs Jean Hanby
    License
    http://creativecommons.org/licenses/by-sa/3.0/


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