zooophagous: nudityandnerdery: free-parking: cyanometer, c. 1789, an instrument that measures the blueness of a sky The 1700s, more efficient with shitposting than Tumblr in 2012. Are you shitting me
tags: ▽ IAHFY ▽,
from: https://iahfy.tumblr.com/post/181856355560