Results 241 to 250 of about 5,423 (259)

Improved Rock Drill

Scientific American, 1881
openaire   +1 more source

ROCK AND GRAVEL DRILLING METHOD AND ROCK-DRILL THEREFOR

1988
openaire   +2 more sources

Chuck for Rock Drills

Scientific American, 1907
openaire   +1 more source

Drilling and Blasting of Rocks

2017
Lopez Jimeno Carlos, Lopez Jimeno Emilio, Javier Ayala Carcedo Francisco, Ramiro Yvonne Visser de   +3 more
openaire   +1 more source

Rock Drill Attachment

Scientific American, 1904
openaire   +1 more source

Electrical Rock Drills

Scientific American, 1891
openaire   +1 more source

Deep learning-based rock type identification using drill vibration frequency spectrum images

International Journal of Mining, Reclamation and Environment
Hajime Ikeda, Tsuyoshi Adachi, Lesego Senjoba   +2 more
exaly  

Investigation into rock drilling

International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts, 1992
openaire   +1 more source

ROCK-DRILL.

1905
openaire   +1 more source

The Kainotoman Rock-Drill

Scientific American, 1876
openaire   +1 more source