この映像は特急つばめ号の客車時代を記録するため、電車に移行する前の1959(昭和34)年にEF58の機関助士が撮影した物です。This footage was recorded by assistant engineer of EF58 leading the "Tsubame" Limited Express, to leave a memorial of a time of passenger train formation before shift to electric train, at 1959.
関係者にしか記録出来ない貴重な映像が満載です。it is full of rare footage that nobody can record without insider person.