Description: Original old oil and gas industry trade magazine vintage ad for BLACKOR COMPANY of Los Angeles, CA. Drilling Interruption Insurance. Blackor on your bits keeps them in the hole longer. Insurance against ordinary drilling delays that eat up your profits. This 1931 petroleum drilling tools and equipment magazine advertisement would display beautifully matted and framed.
Category: Oil and Gas AdsProduct Code:
11in x 8in Views:
$28.00 $21.00Save: -$7.00 (25% off)