1. To view the remastered version, see " SAHB Stories & Rock Drill ". 2. Warsop and Hill used their own rock drills and the more powerful blasting gelatine. 3. The tunnel was built using the Burleigh Rock Drill , designed and built in Fitchburg. 4. There are also studies for key works, such as " Study for Rock Drill ". 5. He invented a steam rock drill and an air compressor and designed an ore dock. 6. Common applications included rock drills and jack hammers. 7. 1896-More than 1, 000 Cornish rock drills were in use on The South African Rand alone. 8. The rover has nine cameras, including a microscopic imager, and a rock drill to examine the terrain. 9. Alex Harvey found this statue deeply moving and it influenced the entire " Rock Drill Suite ". 10. In 1851, James Fowle received a patent for a rock drill powered by steam or compressed air.
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