More tweeks with 'twelve: an apparatus to treat and cure tinnitus, Popular Mechanics, 1912. #Histstm pic.twitter.com/g5gnF6OavV
— JF Ptak (@ptak) February 9, 2018
from http://twitter.com/ptak
on: February 09, 2018 at 05:42PM
More tweeks with 'twelve: an apparatus to treat and cure tinnitus, Popular Mechanics, 1912. #Histstm pic.twitter.com/g5gnF6OavV
— JF Ptak (@ptak) February 9, 2018
from http://twitter.com/ptak
on: February 09, 2018 at 05:42PM