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Round bottemed flask with bung and tube. black and white diagram / outline. Also with ink drop to show thermal expansion From GENERAL SCIENCE BY BERTHA M. CLARK, PH.D. (Gutenberg EBook 16593) 瓶 桶口 圓 bottemed 圓底燒瓶
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Measuring water expansion with heat. grayscale trace From GENERAL SCIENCE BY BERTHA M. CLARK, PH.D. (Gutenberg EBook 16593) 水 科學 熱 在瓶中的水膨脹
A pharmacy bottle with a tag, so you can label it any which way you want. Use it as you wish, but credit is appreciated. :-) Please note: I (the author) am a chemist, not an artist... 藥劑業 藥劑師 瓶 藥劑瓶
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