HTMS Maeklong is a Thai Tachin class sloop built at Uraga dockyard, Japan.
From the text "Thai commissioners visited the building of HTMS Tachin and HTMS Maeklong at Uraga Dockyard, Yokosuka, Japan 1936.
HTMS Tachin and HTMS Maeklong at receiving ceremony at Uraga Dockyard on June 19, 1937.
HTMS Tachin and HTMS Maeklong, commissioning ceremony at Rajavaradit dock, Bangkok
HTMS Maeklong anchored in Maeklong river, ship ceremony, Feb.3-6, 1938
Maeklong and Tachin.
IJN torpodo (finding out it's type)
Depth charges launcher.