Ventilation
Subject
Subject Source: Local sources
Found in 371 Collections and/or Records:
F-32-A-219 -- Special 30" Fittings for Ventube Insulated for Spot Cooler 18 Ga, 1969-05-14
Item — Cabinet 7, Drawer: 6
Scope and Contents
Sheet 5
Dates:
1969-05-14
F-32-A-274 -- 3 1 XC Ventilation System 5900 to 6800 19 Ledge, 1974-10-08
Item — Cabinet 7, Drawer: 6
Scope and Contents
Sheet 104
Dates:
1974-10-08
F-32-A-274 -- 19 Ledge Ventilation Overlay, 1970-12-08
Item — Cabinet 7, Drawer: 6
Scope and Contents
Sheet 30
Dates:
1970-12-08
F-32-A-274 -- Deep Level Ventilation Main Ledge Overlay 3500-3950 Levels, 1970-12-17
Item — Cabinet 7, Drawer: 6
Scope and Contents
Sheet 29
Dates:
1970-12-17
F-32-A-274 -- Deep Level Ventilation Progress Schematic, 1972
Item — Cabinet 7, Drawer: 6
Scope and Contents
Sheet 98
Dates:
1972
F-32-A-278 -- 30 Ton Spot Cooler Panels & Compressor Frame Mine Ventilation, 1985-02-11
Item — Cabinet 7, Drawer: 6
Scope and Contents
Sheet 7 of 7
Dates:
1985-02-11
F-32-A-278 -- 30 Ton Spot Cooler Truck Frame 18" Gage (Aero Vent Fan 222 Old Style) Mine Ventilation, 1974-01-18
Item — Cabinet 7, Drawer: 6
Scope and Contents
Sheet 5 of 7
Dates:
1974-01-18
F-32-A-278 -- 30 Ton Truck Mounted Cooler Filter & Compressor Guard Mine Ventilation, 1985-02-08
Item — Cabinet 7, Drawer: 6
Scope and Contents
Sheet 6 of 7
Dates:
1985-02-08
F-32-A-292 -- 6800 Plan 198 21L Showing No. 6 Shaft, No. 7 Winze, and Ventilation, 1973-10-24
Item — Cabinet 7, Drawer: 6
Scope and Contents
Sheet 10
Dates:
1973-10-24
F-32-A-292 -- Composite Section South Showing No. 6 Shaft, No. 7 Winze, and Ventilation System, 1973-10-25
Item — Cabinet 7, Drawer: 6
Scope and Contents
Sheet 13
Dates:
1973-10-25