Hanabusa went to Tokyo and worked as a cameraman for a film under the sponsorship of Ministry of Railways called "Tetsudo to Kotoku" (railroads and public virtue), produced by 'Katsudo Shashin Shiryo Kenkyukai' established by Toyojiro TAKAMATSU around the same time as 'Mikado Shokai.'
花房は東京へ行き、高松豊次郎が「ミカド商会」と同時期に設立した「活動写真資料研究会」製作の鉄道省肝いりの映画『鉄道と公徳』の撮影技師をつとめた。