Original oil and gas 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 unique 1931 old oilfield petroleum drilling tools and equipment magazine advertisement would display beautifully matted and framed.
Blackor Company 1931 Vintage Ad Oil Drilling Interruption Insurance
- Product Code: x231
- Length: 11 inches
- Width: 8 inches
- Pages: 1
- Views: 39
- Availability: In Stock
- $28.00
$21.00
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