[Volume of drawings and photographs re 'Dhanpat Rai's new pattern Jaipur Folding Cart'. c.1901. Comprises 5 line drawings with wash by Sri Narain and dated 1901 Jan-Feb, 9 photos showing the cart in military use, and undated for metter (2p. ts.) from Rai (?) to 'My dear Sir', describing its construction, use and advantages. With, tipped in, a table of comparison of carts (1p. ts./ms.)]