Call Number (LC) Title Results
C 22.12:2854 Additions, removals and changes in permissible list of explosives from July 1, 1927 to Jan. 31, 1928. 1
C22.12-2854 Additions, removals and changes in permissible list of explosives from July 1, 1927 to Jan. 31, 1928. 1
C 22.12:2855 Chambering cut-holes of drift rounds in western metal mine
Chambering cut-holes of drift rounds in western metal mine. 		2
C22.12-2855 Chambering cut-holes of drift rounds in western metal mine. 1
C 22.12:2856 Status of rock-dusting in U.S
Status of rock-dusting in U.S. 		2
C22.12-2856 Status of rock-dusting in U.S. 1
C 22.12:2857 Comparison of ground temperatures at different depths and temperature fluctuations of atmosphere
Comparison of ground temperatures at different depths and temperature fluctuations of atmosphere. 		2
C22.12-2857 Comparison of ground temperatures at different depths and temperature fluctuations of atmosphere. 1
C 22.12:2858 Tests of atmospheres in Chesapeake and Ohio Railroad tunnels between Clifton Forge, Va. and Hinton, W.Va
Tests of atmospheres in Chesapeake and Ohio Railroad tunnels between Clifton Forge, Va. and Hinton, W.Va. 		2
C22.12-2858 Tests of atmospheres in Chesapeake and Ohio Railroad tunnels between Clifton Forge, Va. and Hinton, W.Va. 1
C 22.12:2859 Portable electric cap lamps in Alabama
Portable electric cap lamps in Alabama. 		2
C22.12-2859 Portable electric cap lamps in Alabama. 1
C 22.12:2860 Flotation of low-grade phosphate ores
Flotation of low-grade phosphate ores. 		2
C22.12-2860 Flotation of low-grade phosphate ores. 1
C 22.12:2861 Seventeenth semi-annual motor gasoline survey. 1
C22.12-2861 Seventeenth semi-annual motor gasoline survey. 1
C 22.12:2862 Rapid corrosion test for gasoline
Rapid corrosion test for gasoline. 		2
C22.12-2862 Rapid corrosion test for gasoline. 1
C 22.12:2863 Explosibility of sulphide dusts in metal mines
Explosibility of sulphide dusts in metal mines. 		2
C22.12-2863 Explosibility of sulphide dusts in metal mines. 1