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"The bottle (a) serves as an aspirator to draw airthrough the apparatus and also to collect the residual nitrogen. the oxygen is removed by combining it with copper (gauze) in the hard glass tube (c), which is heated by the combustion furnace (b)...air has to pass through the bottles (ee) containing a concentrated solution of potassium hydroxide to take out the carbon dioxide, and through the bottles (dd) containing concentrated sulphuric acid to remove the water vapor or moisture. The nitrogen [is] collected in a." -Brownlee 1907

Nitrogen Preparation

"The bottle (a) serves as an aspirator to draw airthrough the apparatus and also to collect the residual…

This figure shows a crystal of Orthoclase, exhibiting forms (M), (P), (T), (x), (y), (o), and (n).

Orthoclase

This figure shows a crystal of Orthoclase, exhibiting forms (M), (P), (T), (x), (y), (o), and (n).

"When the current is passed through the melted hydroxide, the sodium and the hydrogen appear at the cathode and the oxygen appears at the anode." -Brownlee 1907

Preparation of Sodium and Potassium

"When the current is passed through the melted hydroxide, the sodium and the hydrogen appear at the…