Unidentified bomb artefacts

["Explosion!"]

Here at "Explosion!", the museum of Naval Firepower, we have received an artefact (a plug marked "PLUTON") which it is claimed is part of a piece of ordnance. We have been asked to identify it but are experiencing some difficulty. It has been sugested to us that possibly a member of this network just might have a few ideas and so we have uploaded the picture above. It has a marking "1918" on the back but the material would indicate that it is of a more modern manufacture.

Secondly we have been offered three "Bomb lifting cones" as shown in the photograph above. It is suggested that bombs or possibly large shells were transported vertically, suspended from these cones in the Armament Depot in Devonport. As far as we know bombs and large shells were transported horizontally. Has any member of the network ever come across bomb lifting cones?

Thank you,

"Explosion!"

 

[glevum]

Is the black and white stick marked in inches or centimeters?

 

[hangarman]

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Here at "Explosion!", the museum of Naval Firepower, we have received an artefact (a plug marked "PLUTON") which it is claimed is part of a piece of ordnance. We have been asked to identify it but are experiencing some difficulty. It has been sugested to us that possibly a member of this network just might have a few ideas and so we have uploaded the picture above. It has a marking "1918" on the back but the material would indicate that it is of a more modern manufacture.
"Explosion!"

Cant give you a positive id on the plug but PLUTON were manufacturers of plastic type products taken over by Thomas De La Rue in 1914. I have a transport plug for an 18pdr marked PLUTON and DLR.

Hangarman

 

["Explosion!"]

Glevum,

Measure in centimeters.

 

["Explosion!"]

Hangarman,

Thank you for that. The plug is made from a heavy plastic, but appears to be in too good a shape for "1918" manufacture.