Nature: A Modification of the Gold-leaf Electroscope and a Mode of Regulating its Charge
THOSE who experimentalise with the usual form of gold-leaf electroscope must know well that the instrument requires a vast amount of preparation and drying before it is ready for use, and also that in ...
A Modification of the Gold-leaf Electroscope and a Mode of Regulating its Charge
I FIND that a very convenient way of charging an ordinary gold-leaf electroscope is to rub the charging rod with the glass bulb of a glowing carbon filament lamp. The leaf system becomes negatively ...
Gold Prospecting (134 Viewers) Whether you are sluicing, dredging, drywashing, or just a weekend gold panner, this is YOUR forum! Talk about your favorite rivers/lakes, equipment, techniques, and anything else related to prospecting for gold. The ORIGINAL gold dredging, sluicing, drywashing and panning forum!
Are you in an area known for alluvial gold? If theres no gold, theres no gold. If no one before you has found gold on your stretch of river,.. well good luck. There should be gold there from before the dam was built even in the minutest amount. People are great at extracting gold but when it reaches a point of diminishing returns the smart people move to a more productive area. If you are like ...
The fine gold model used slanted riffles (as did the one I rebuilt), and the model for coarser material used riffles that were parallel to the stroke. I do not remember exactly what angle the angled riffles were at, but I might have that info somewhere. I think the BGS unit was about 10* off the stroke line. Also, Wilfley's table was not ...