Trashed valve posters & prints

Safety Valve Anonymous

Beggars Carel Allard

Irrigation Valves at Boulder Dam Anonymous

Anchor Steam #3 Gordon Osmundson

Lead Driver & Valve Gear, AT&SF #3751 from the Railroad Series Gordon Osmundson

Mechanical Lubricator, AT&SF #3751 from the Railroad Series Gordon Osmundson

Propane tank Anonymous

Believe Jacob de Gheyn II

Surface of a valve of a rat heart Anonymous

Valve Gear, C&O 614 from the Railroad Series Gordon Osmundson

Transmitting valves at Marconi Station in Carnarvon, Gwynedd Anonymous

Vacuum tube for television broadcasting, c. 1933 German Photographer

Anchor Steam #1 Gordon Osmundson

Safety Valve and Whistle Anonymous

Surface of a valve of a rat heart Anonymous

Baker Valve Gear, NN #40 from the Nevada Northern Series Gordon Osmundson

French Advertisement for Gaz, Utility Service Anonymous

Welcome to Illinois and trash Anonymous

Circulation of the blood, 1628 Unknown

Kingstown and Dalkey Atmospheric Railway, near Dublin, 1845 Unknown

Circulation of the blood, 1628 Unknown