I apologize to the readers of this Forum for some mistakes and confusion of this Poseidon with another small vessel that ended up becoming one of the heroic sips of Jewish immigration to the promised land in the late 1930s... I have now gone through all the articles I wrote here and I have corrected spurious passages with correct information (shown now in red)
Λυπουμαι για ωρισμενα λαθη που εκανα σχετικα με αυτο το πλοιο Ποσειδων που το ανεμειξα με ενα αλλο μικρο Ποσειδων που κατεληξε να γινει ενα ηρωικο πλοιο της Ισραηλινης εξοδου του 1938−1940. Παρουσιαζω εδω το σωστο πλοιο Ποσειδων (πρωην γιωτ Sea King και αργοτερα επιβατηγο Αλεξανδρος Παπαδιαμαντης).
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Sea King/Poseidon or Possidon/Papadiamandis/Alexandros Papadiamandis
Little is known about the beginnings of the small Greek passenger ship (without quarters) Poseidon/ Papadiamandisthat did small and unusual routes in the 1910s and 1920s ...
Poseidon was built as tah yacht Sea King at the Robert Duncan & Company shipyards of Port Glasgow, Scotland in 1877 (from the Lloyd Register).
Our Poseidon had anywhere between 60 and 110 tons according to various sources. She conducted the following local routes:
--- Aedipsos, Trikeri, Skiathos , Skopelos (around 1898 )
--- Aegina, Aggistri, Epidauros (around 1900 and then 1906-08 ). During the second period she belonged to the Elliniki Atmoploia of Mihail Gikas & Co.
--- Loutraki, Antikyra, Itea, Galaxidi (1903-05)
--- Piraeus, Eleusis, Pahi Megaron, "Salamis" (1908-12 and 1917-28 ).
NB: We do not know what was meant by "Salamis". Probably Faneromeni Salaminos). Again during the second period she may have belonged to the Elliniki Atmoploia of Mihail Gikas & Co.
--- We have not been able to identify other routes.