1951 Ad Sinclair Petroleum Oil Research Laboratories Wright Brothers W M PSC1 XGNC1 powerfully engined

powerfully engined

specially featuring the Baby Rambler Rose and the Gladiolus Princeps

This is an original 1873 halftone print of an Improved Grindstone

There is some minor red blemishing in the left margin

between Second and Third Avenues

1951 Ad Sinclair Petroleum Oil Research Laboratories Wright Brothers W M PSC1 XGNC1 powerfully enginedThis is an original 1951 black and white print ad for the Sinclair Research Laboratories Incorporation of 630 Fifth Avenue, New York. CONDITION This 60+ year old Item is rated Very Fine +++. Light aging throughout. No creases. No natural defects. No surface rub. No tears. No water damage. Product Type: Original Print Ad; Black White Grade: Very Fine +++ Dimensions: Approximately 6 x 9 inches; 15 x 23 cm Authentication: Serial Numbered Certificate of