Ponthus et Therrode
Contenu
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Nom
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Ponthus et Therrode
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Couverture temporelle
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1/2 20th century
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Biographie
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Successors to A. Barthélemy in 1895 and in 1900 acquired the succession of Hurlimann (qv ). They concentrated on surveying instruments, navigational instruments and apparatus for testing materials (1) and in 1902 held a patent for Fleuriais ' gyroscopic sextant. At the 1912 international time conference in Paris they showed a wide range of sextants, barometers, chronographs, anémometers, pluviometers and similar devices (2). They were succeeded by Lepetit (qv).
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Notes biographiques
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1 A representative sample of their products is shown in the entry concerning them in IFIP 204-13.
2 Conférence … heure, 280-1.
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Adresse ; enseigne ; période ; source
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13, Passage Dauphine, Paris (1896-1902).
6 rue Victor Considérant, Paris
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16 rue Dauphine Paris
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Identifiant
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492
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ark:/18469/1qpf3