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Shonan Electric Railways established a temporary station in the position of present Keikyu-Tomioka Station as "Tomioka seaside resort temporary station" in the summer of 1932. After potentate "Kajima Genzaemon" of local negotiates with the Shonan electric railway, it will continue as permanent station "Shonan Tomioka".
Ground in Tomioka came to locate a lot of factories related to arms near the Yokosuka naval port might. The U.S.Army makes an air raid aiming at the armaments factory in the vicinity of Tomioka Station on the World War II end June 10, 1945. The train that had been stopped at the station with the air alert made the passenger take shelter to guard under the station, and the train had saved it in the tunnel. All people who took shelter in guard as a result and resident in the vicinity of the station completely destroyed the sacrifice and the station of the air raid, and did the complete destruction burning down by 71 households of the vicinity in the house.
The naval forces Yokohama Achou corps site in the Bird's sea hill
A temporary station in Tomioka that received the occupation release and existed on the Chokai hill was removed, and returned to the place at an old station (present place) in September, 1951.
"Tomioka youth's house books part" local issue (issue on June 30, 1967) It is recorded in "Tomioka extraction magazine" as "Tomioka temporary station" and "Return of old Tomioka Station".
(1997-5-11)
The angle is neatly installed between the drip and the headrest as for the back, and it seems that this angle changes, too, when converting. This might be the test though said that 2100 shape (tentative name) said the appearance next spring is equipped with the conversion crossing seat. 
The floor side where the conversion crossing seat was set up was lifted slightly, and might have been remodeling that detached the seat of the old model set up once. 