mudwerks: my-retro-vintage: Power house mechanic working on steam pump  By Lewis Hine    1920 time to run the turbines

mudwerks: my-retro-vintage: Power house mechanic working on steam pump  By Lewis Hine    1920 time to run the turbines

tags: Qu'est-ce que c'est que ca?,

from: https://questcequecestqueca.tumblr.com/post/180865994806