Vintage Sinclair Lubricated Planes Poster knoxville The glass is a dark

The glass is a dark amber

marking its 100th anniversary in 2023

Exhibits minor scuffs on the central pole

Shallow drawers (x10): 42

To read about the fascinating history of Henry Westphal

Vintage Sinclair Lubricated Planes Poster knoxville The glass is a darkc. 1940s 1950s; Sinclair Oil Corporation New York Vintage Sinclair airplane themed advertising poster. This piece advertises the amount of U. S. planes utilizing Sinclair lubricants which was 1 3 at the time of this advertisement (unverified). As a fun novelty, the figural airplane silhouette is used as the "vinculum" or fraction bar. Exhibits moderate wear including large stains and rips tears, most noticeably along the top edge. 28" W x 43" H Please