In the last days of the Edo period, Benkichi ONO, who was called the Second Gennai HIRAGA in Kaga (Gennai HIRAGA was a great inventor in the middle of the Edo period), invented an air gun, a miniature of a steamship, and a camera.
幕末には加賀の平賀源内と称された大野弁吉が空気銃や蒸気船の模型や写真機を作った。