Type 7 30cm howitzer

Type 7 30cm howitzer is a rifled breech loader or siege artillery.

Also recorded as Type 7 30 cm howitzer.

Overview

Japanese siege/coastal defence artillery.

In detail

It is associated with Empire of Japan.

Sources

Each source is named with the standing the house places on it, so the evidence can be weighed rather than taken on trust.

reference work · Reputable secondary · Wikipedia
“Type 7 30 cm howitzer”, English Wikipedia, consulted as further reading
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reference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q11353518: Type 7 30cm howitzer
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