Note 29 — PART VII.
Reading edition
Retorts of this description have been lately adopted, in the Gas Works at Bristol, Birmingham, Chester, Kidderminster, and at many other provincial Gas Establishments.
[30] An account of the original construction of the rotary retort may be seen in the Repository of Arts, No. CLXXVI, 1816, page I. and also in the Journal of Science, Vol. II. page 133.