Original oil and gas trade magazine vintage ad for ROBERT H. RAY COMPANY, was located at 2500 Bolsover Road, Houston, TX. Dr. Einthoven, the Father of the Modern Electrocardiograph. The Earth Has Heartbeats too! The seismograph has been beneficial to mankind in its contribution to the development of the oil industry. Unique 1954 old petroleum oilfield seismic industry magazine advertisement.
Robert H Ray Company 1954 Vintage Ad Oil Dr Einthoven Earth Heartbeats
- Product Code: u082
- Length: 11 inches
- Width: 8 inches
- Pages: 1
- Views: 22
- Availability: In Stock
- $30.00
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