Airship design Size:L: 80 x 60cm incorporating John Smith and Son

incorporating John Smith and Son Tea Dealers

350 of the Narrative of a second voyage in search of a north-west passage

Drawn from Nature of the bignes of Life

Plate 37 from Herbarium Blackwellianum

West Lothian

Airship design Size:L: 80 x 60cm incorporating John Smith and SonEngineering 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