Louis Fave's maregraphe; open-sea recording tide gauge by Jules Richard, 1925-1930 Louis Fave's maregraphe; open-sea recording tide gauge by Jules Richard 1925-1930
Olivetti ET225/ETV 300 Word Processor System, c. 1984, complete with operating manuals Olivetti ET225/ETV 300 Word Processor System 1979-1989