specific heat
Just another working-class hero from my collection of vintage badges/credentials.
3,997
views
19
faves
2
comments
Uploaded on March 18, 2014
Taken in January 1935
specific heat
Just another working-class hero from my collection of vintage badges/credentials.
3,997
views
19
faves
2
comments
Uploaded on March 18, 2014
Taken in January 1935