antique illustration, physics principles and experiments: pressure gauge in vacuum chamber - 真空實驗 幅插畫檔、美工圖案、卡通及圖標
antique illustration, physics principles and experiments, heat and temperature: vacuum obtained by steam condensation - 真空實驗 幅插畫檔、美工圖案、卡通及圖標
antique illustration, physics principles and experiments: pneumatic machine - 真空實驗 幅插畫檔、美工圖案、卡通及圖標密封的
antique illustration, physics principles and experiments: magdeburg hemispheres - 真空實驗 幅插畫檔、美工圖案、卡通及圖標半球體
antique illustration, physics principles and experiments, heat and temperature: water freeze in vacuum - 真空實驗 幅插畫檔、美工圖案、卡通及圖標
antique illustration, physics principles and experiments: compression source - 真空實驗 幅插畫檔、美工圖案、卡通及圖標化學
antique illustration, physics principles and experiments: pneumatic machine with mercury - 真空實驗 幅插畫檔、美工圖案、卡通及圖標
antique illustration, physics principles and experiments: pneumatic machine detail - 真空實驗 幅插畫檔、美工圖案、卡通及圖標
antique illustration, physics principles and experiments: pneumatic machine with mercury detail - 真空實驗 幅插畫檔、美工圖案、卡通及圖標
antique illustration, physics principles and experiments: magdeburg hemispheres - 真空實驗 幅插畫檔、美工圖案、卡通及圖標半球體