retrospace: ”Papa says it won’t hurt us”…. “they shoot straight and kill”

For the discerning Gentleman in the need of hastening his arrival, The D’Harlingue Monowheel will cut though the wind, as pedestrians move aside. (1917)

The ‘crawler track’ or ‘chain track’ devised in 1904 by David Roberts, later field trials took place for the ‘Hornsby Steam Crawler Track Tractor’, in Grantham, Lincolnshire, England - (Feb/Mar 1910), and “by Jove” they made a promotional film too!
Mr Cholmondley-Warner Presents “A Guide to Conjugal Unpleasantness”
Public Service Announcement — On Finding a Husband
via my-ear-trumpet: (and Harry Enfield)
The Fourth Doctor & Romana shill for some computer I’ve never heard of.