1971 Furnace Patent is a drawing by Dan Sproul which was uploaded on August 27th, 2022.
1971 Furnace Patent
Vintage 1971 furnace patent design fully restored on black canvas. A historical print or piece for anyone in the HVAC business.
by Dan Sproul
Title
1971 Furnace Patent
Artist
Dan Sproul
Medium
Drawing - Digital
Description
Vintage 1971 furnace patent design fully restored on black canvas. A historical print or piece for anyone in the HVAC business.
Uploaded
August 27th, 2022
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