...Four chapters treat of aeroplanes, gliders and model aeroplanes,together with one on propellers, motors, gears and winding devices... 
Albert F. Siepert 「Bird Houses Boys Can Build」
ランダム例文：
reluctance venial zulu
便利！手書き漢字入力検索
...Four chapters treat of aeroplanes, gliders and model aeroplanes,together with one on propellers, motors, gears and winding devices...
Albert F. Siepert 「Bird Houses Boys Can Build」
ランダム例文：
reluctance venial zulu
便利！手書き漢字入力検索