Maker ID for Canadian 18 Pr shell?

[Darkman]

I recently picked up this Canadian made Mk IX 18 Pr shell.

Maker is N.M. & S. Co. or N.M. & SCO. Would anybody be able to tell me who this is?

Lot number under date (30.7.18) is OE.

The images open with upright orientation.

Thanks,

Graeme

 

[Snufkin]

National Machinery and Supply Co. Ltd, Hamilton, Ontario.

 

[Darkman]

Thanks Snufkin, you're a champion!

 

[Snufkin]

As the old piece of rope said, I'm a frayed knot...