Joseph Priestley's electrical machine hanged View of Old Bethlehem Hospital

View of Old Bethlehem Hospital

the little hawk (modern scientific name: Falco sparverius

with grandstands for a better view

Sailors in a 10-12hp Humber car

Keith Moon and Pete Townshend

Joseph Priestley's electrical machine hanged View of Old Bethlehem HospitalElectrical machine developed by Joseph Priestley to aid his study of electricity. To operate the machine, the handle is turned to make the glass globe rotate and rub against a fixed pad which produces an electrical charge. Priestley included instructions on how to build electrical machines in his book 'A Familiar Introduction to the Study of Electricity', so that others could reproduce his findings. 1768