http://www.rockislandauction.com/viewitem/aid/1025/lid/2569

Most people are familiar with the Type 38 Arisaka, which was one of the two very distinctive Japanese rifles of World War II (along with the Type 99). The Type 38 was an outstanding rifle in large part because it was the result of several years of experience and development which began in 1897 with the Type 30 "Hook Safety" Arisaka. This first Japanese smallbore military rifle was designed by a committee (led by Col. Arisaka) from the best elements of other rifles being made at the time. It used a bolt which was significantly more complex than the elegant Type 38 bolt which would follow later.