nemfrog:Air flow at high subsonic speed round a wing section in a wind tunnel - a picture taken at one millionth of second. Space encyclopaedia. 1960.
tags:
from: https://rsevn.tumblr.com/post/187627559162
recommended: rsevn tumblr, basketballshorts #j-u-s-t-h-u-m-a-n bathroomselfies j-u-s-t-t-h-a-t bbwbikinis