Flying from London to India at 93 mph–cross section/cutaway from "Popular Mechanics" March 1928. #aviation #dataviz https://t.co/rTliweFbg6 pic.twitter.com/gthHCxLRmG
— JF Ptak (@ptak) November 26, 2019
from http://twitter.com/ptak
on: November 26, 2019 at 11:15AM
Tinnitus cure, "Popular Mechanics", 1912. pic.twitter.com/iYNtTDNxYa
— JF Ptak (@ptak) November 25, 2019
from http://twitter.com/ptak
on: November 25, 2019 at 10:42AM
A retrofitted tank used as an attraction at an amusement park (1920) and whether or not it is found to be disrespectful. #WWI #tank https://t.co/M1PWU8ZgGW pic.twitter.com/gZdXPlK5YO
— JF Ptak (@ptak) November 25, 2019
from http://twitter.com/ptak
on: November 25, 2019 at 10:36AM
What a beautiful idea–the only thing better than street ads written with water are ads written in invisible smoke. #books #dataviz pic.twitter.com/5HO8YAltBH
— JF Ptak (@ptak) November 6, 2019
from http://twitter.com/ptak
on: November 06, 2019 at 01:10PM
This is excellent–a scowling report from one of the inventors of scowling. Uncle Chuckles also catalogued broken glass in his 1857 article, "Table of the Relative Frequency of Occurrence of the Causes of Breaking of Plate Glass Windows" in Mechanics Magazine volume 66 #histstm https://t.co/Dma3UvtKsx
— JF Ptak (@ptak) October 2, 2019
from http://twitter.com/ptak
on: October 02, 2019 at 10:03AM
The voltaic armadillo, electric Earth, and invisible reverse dandruff quack ads of 1877. #histstm #medicine https://t.co/7XAKJqmpk8 pic.twitter.com/YF82KaNPr4
— JF Ptak (@ptak) September 5, 2019
from http://twitter.com/ptak
on: September 05, 2019 at 10:22AM
A Remedial Introduction to "Politics" for Newly-Enfranchised Women in the U.K. (1918) #voting https://t.co/ws8wOsiIrE pic.twitter.com/inYQCHjoXu
— JF Ptak (@ptak) April 8, 2019
from http://twitter.com/ptak
on: April 08, 2019 at 01:52PM
A hydrogen gas sidecar, 1917: #motorcycle #engineer https://t.co/h9K9khd8VJ
— JF Ptak (@ptak) February 12, 2019
from http://twitter.com/ptak
on: February 12, 2019 at 04:11PM
Gravitation conquered at last. From "Science and Invention", October 1927. pic.twitter.com/WDzWOCwS6s
— JF Ptak (@ptak) November 5, 2018
from http://twitter.com/ptak
on: November 05, 2018 at 01:45PM
It is all fun and games until you have to land…image via Wikicommons, being the cover of the September 1922 issue of "Popular Science" magazine. #helicopter #aviation pic.twitter.com/m1gj0WcLQx
— JF Ptak (@ptak) October 13, 2018
from http://twitter.com/ptak
on: October 13, 2018 at 09:15AM