Hughes Rotary Bit 1936
With the increasing need to drill through harder formations without failure, rotary rock bits proved to be more reliable, efficient, and cost-effective than fishtail bits, (see below from 1927) which were particularly prone to deflection in hard formations. Courtesy of The Sloane Gallery – www.sloanegallery.com – 281-
The Sloane Gallery contains images of Houston from the early 1900s thru the 1980s. The emphasis will be on black and white photography created during the building boom era of mid 1920 - 1936. Located at 1570 South Dairy Ashford, Suite 113, Houston, TX 77077. Gallery Hours - Tuesday - Friday 12PM - 6PM and Saturday 12PM - 4PM.
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