W.G.L. Riddle on a rickshaw, with driver, c.1913

Trans-Amur Border Guards Corps headquarters, Harbin, c.1913

Gateway in city wall, Peking, c.1920

'The Night Star' ferry, Hong Kong

The Belvedere on Mount Austin, Hong Kong

'The Girl from Havana' playing at The Queen's Theatre (cinema), Hong Kong

General Post Office, Connaught Road Central, Hong Kong

Workers with salt boring equipment, Tzuliuching, Zidong

Some salt boring rigs, Tzuliuching, Zidong

Testing a new gas well, at the salt wells, Tzuliuching, Zidong

A series of man-pumps, salt wells, Tzuliuching, Zidong

Eight boring tools, salt wells, Tzuliuching, Zidong

Workers by gas-fired brine evaporating pans, salt wells, Tzuliuching, Zidong

Salt boring rigs, and boats, Tzuliuching, Zidong

Emptying the brine, salt wells, Tzuliuching, Zidong

Carrying the brine to a higher level, salt wells, Tzuliuching, Zidong

Running brine into boats, salt wells, Tzuliuching, Zidong

Horse-powered pumps to raise brine from a lower level to a higher level, Tzuliuching, Zidong

Buffalo winch, salt wells, Tzuliuching, Zidong

Man-pump, boat to piping, salt wells, Tzuliuching, Zidong