Cut

(Source: landofthefree)

Lathe

(Source: Flickr / library_of_congress, via lbjlibrary)

Rivets

(Source: iloveretro, via laborstrifeandgrit)

Lions

(Source: kentnihilisti)

Balance

Walk in the Park

(Source: kenhatter)

Acetylene

(Source: italdred)

Unwind