
Filling a Balloon, in Travels in the Air (London: Richard Bentley & Son, 1871), 78, 1865, woodcut engraving. Collection of the National Library of Scotland. Digital image courtesy of National Library of Scotland (all rights reserved).

W. Read, Drawing the Retorts at the Great Gas Light Establishment at Brick Lane, frontispiece in The Monthly Magazine, February 1821, 1821, aquatint, 19.6 × 24.7 cm. Digital image courtesy of Wikimedia (public domain).

Over London at Night, in James Glaisher et al., eds., Travels in the Air (London: Richard Bentley & Son, 1871), 81, 1865, lithograph. Collection of the National Library of Scotland. Digital image courtesy of National Library of Scotland (all rights reserved).

Filling a Balloon, in Travels in the Air (London: Richard Bentley & Son, 1871), 78, 1865, woodcut engraving. Collection of the National Library of Scotland. Digital image courtesy of National Library of Scotland (all rights reserved).

W. Read, Drawing the Retorts at the Great Gas Light Establishment at Brick Lane, frontispiece in The Monthly Magazine, February 1821, 1821, aquatint, 19.6 × 24.7 cm. Digital image courtesy of Wikimedia (public domain).