A descriptive and historical account of hydraulic and other machines for raising water (1842)
Ewbank, Thomas · Tilt & Bogue · leaf 197
eds would retain the form of bodies that reposed upon them , like a founder ’ s mould of sand or plaster . ® Those extremely light a Air beds are not , as some persons suppose , of modern origin . They were known between three and four hundred years ago , as appears from the annexedeut , ( No . 68,… … No . 68 . Ancient Air Bed . This application - of air was probably known to the Romans . Heliogabalus used to amuse himself with the guests he invited to his banquets , by seating them on large bags grou d " wind ’ ” whic * 1 being made suddenly to collapse , threw the guests on the Dr - Amott ,…
e-rara · Eisenbibliothek Schlatt · No known copyright restrictions. Free to use for anything.
