Airship design mb-width 8417 It is an allusion to

It is an allusion to the mayoral election of1771

View of the foetal surface of the human placenta

'The idle 'prentice turn'd away and sent to sea'

The viaduct was completed in 1869 and opened by Queen Victoria

Four figures numbered 9-10 and 13-14

Airship design mb-width 8417 It is an allusion toEngineering design for a 'manageable air balloon' or dirigible, sent to the Royal Society with a covering letter from its inventor and supplementary descriptive information. The drawing contains four figures: a side elevation (figure 1); front and rear elevations (figures 2 3); and a transverse section through the balloon (figure 4). The airship has a twin bladed propeller sited at the front, driven by pulleys and ropes from an engine (unspecified