Gold Dredging in the United States

di

Charles Janin

Forgotten Books

Gold Dredging in the United States - Bookrepublic

Gold Dredging in the United States

di

Charles Janin

Forgotten Books

FORMATO

Nessuna protezione

DISPOSITIVI SUPPORTATI

computer

e-reader/kobo

ios

android

kindle

€ 8,85

Descrizione

Types of hand drills; Empire drill; New type of light power drill; Determining period of dredging project; Selection of dredge for a given project; Use of unusual type of drill in Alaska; Details of construction of gold dredges; Determining suitable size of dredge; Bucket line and tumblers; Pins; Lower tumbler; Upper tumbler; Main drive; Winches; Ladder-hoist winch; Swing winch; Spuds and spud supports; Hulls and superstructures; Bow gantry; Ladder rollers and bearings; Main hopper, save-all, and bucket idlers; Screen and screen drive; Distributor; Stacker; Belts; Guide rollers; Wire ropes; General details of dredge construction; Special steels for dredge parts; Properties of alloys of steel; Manganese steel; Nickel steel; Nickel-chrome steel; High-carbon steel; Electrical equipment on dredges; Bucket-drive motor; Power consumption by electrical equipment; Recent type of direct-connected motor drive; Kind of electric current used; Voltage of current used on dredges; Rebuilt dredges; Feasibility of moving dredges or machinery; Examples of second use of dredges or machinery; Tin Cup dredge; Scott River dredge; Butte dredge; El Oro No. 1 dredge; Dredge near Leadville, Colo; Castle Creek dredge; Feature to be considered in removal of dredging equipment; Other examples of moving dredge; Operation of gold dredges; Essentials of dredge operation; Ample spare parts should be available

Dettagli

Dimensioni del file

26,5 MB

Lingua

eng

Anno

2017

Isbn

9780259677116

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