The Chinese <i>Chu</i>-class gunboat <i>Chu Kuan</i>. It was a Japanese-built river gunboat of 740 tons displacement launched in 1907. The gunboats were powered by coal-fired boilers providing a top speed of 13 knots and had a crew of 135. They were ewuipped with the follwing armament: two 12.0 cm guns; two 7.6 cm guns; three 5.7 cm guns; one 40 mm anti-aircraft gun and two machine-guns. <i>Chu Kuan</i> was discarded in the 1960s.
U.S. Navy
<a rel="nofollow" class="external text" href="http://www.navy.mil/ah_online/department_arch.html">U.S. Navy All Hands magazine</a> <a rel="nofollow" class="external text" href="http://www.navy.mil/ah_online/archpdf/ah194901.pdf">January 1949</a>, p. 20.