Hertha Ayrton has written:
'The electric arc' -- subject(s): Electric arc
Hertha Marks Ayrton was born in 1854.
Hertha Bengtson has written: 'Design'
M. Ayrton has written: 'The Midas consequence' 'British drawings' 'Michael Ayrton'
Hertha Dial has written: 'Little blue heaven'
Hertha Raben Petersen has written: 'Theodor Brorsen, Astronom'
According to her wikipedia article Ayrton died in the 20th century, specifically on 23 August 1923.
Hertha Jung has written: 'Familie im Sozialismus' -- subject(s): Socialism and Christianity, Family
Hertha Klugman has written: 'Can you swallow a squiggle?' -- subject(s): Geometry, Juvenile literature, Shape
Ayrton Capella has written: 'Estudos de problemas brasileiros' -- subject(s): Constitutional history, Politics and government
William Ayrton has written: 'The adventures of a salmon in the river Dee' -- subject(s): Accessible book, Salmon, Fishing
John Ayrton Paris has written: 'Philosophy in sport made science in earnest' -- subject- s -: Science, Juvenile literature
Hertha Evelyn Jahn has written: 'Immigration and settlement in Manitoba, 1870-1881' -- subject(s): Emigration and immigration, History