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) trace science thermal expansion Round bottom flask
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) black & white bung classroom Round bottom flask
black bottom science diagram white round flask lineart tube trace classroom experiment with bottemed bung Round Bot Flask clip art shapes science line art Round Bot Flask clip art
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) black & white bung classroom Round bottom flask