PART VII.
HORIZONTAL ROTARY RETORTS, LATELY BROUGHT INTO USE FOR MANUFACTURING COAL GAS 110
DESCRIPTION OF THE HORIZONTAL ROTARY RETORTS AT THE ROYAL MINT 112
ACTION AND MANAGEMENT OF THE HORIZONTAL ROTARY RETORTS 120
ADVANTAGES OF THE METHOD OF MANUFACTURING COAL GAS BY MEANS OF HORIZONTAL ROTARY RETORTS 124
DIRECTIONS TO WORKMEN WITH REGARD TO THE MANAGEMENT OF HORIZONTAL ROTARY RETORTS 134