mouth of tube and carriage, pneumatic letter and parcel delivery system, battersea, victorian inventions, 1860s, 19th century vintage illustration - 氣送管 幅插畫檔、美工圖案、卡通及圖標歷史, 維多利亞女王時代風格
antique illustration, physics principles and experiments, heat and temperature: pneumatic link - 氣送管 幅插畫檔、美工圖案、卡通及圖標
antique illustration, physics principles and experiments: pneumatic machine with mercury - 氣送管 幅插畫檔、美工圖案、卡通及圖標
antique engraving illustration, engineering and technology: pneumatic railway - 氣送管 幅插畫檔、美工圖案、卡通及圖標西班牙
disc in engine house of the pneumatic letter and parcel delivery system, battersea, victorian inventions, 1860s, 19th century vintage illustration - 氣送管 幅插畫檔、美工圖案、卡通及圖標工業革命
antique illustration, physics principles and experiments, heat and temperature: pneumatic link - 氣送管 幅插畫檔、美工圖案、卡通及圖標
pneumatic letter and parcel delivery system, despatch tube at bettersea, victorian inventions, 1860s, 19th century vintage illustration - 氣送管 幅插畫檔、美工圖案、卡通及圖標
antique illustration, physics principles and experiments: pneumatic machine detail - 氣送管 幅插畫檔、美工圖案、卡通及圖標
antique illustration, physics principles and experiments: pneumatic machine with mercury detail - 氣送管 幅插畫檔、美工圖案、卡通及圖標