18-in Mark VII Torpedo (UK)

The 18-in R.G.F. Mark VII Torpedo was a British torpedo developed at the Royal Gun Factory and first ordered for service in 1908 in its VII* variant.^{[Fact Check]}

Manufacture and Use

I've not found an indication that the raw Mark VII torpedo was ever ordered; only the Mark VII*, first in 1908-1909.

Mark VII*

Forty were ordered in 1908-1909.^{[Citation needed]}