File:Accum - Erste Londoner Gasanstalt 1814.jpg
Unter dem Schornstein die querliegenden Retorten, darunter der Kohlespeicher, die Reinigungsanlage und der Auffangbehälter für den beim Herstellungsprozeß entstandenen Teer, links der Gasspeicher (Gasometer)
aus: Friedrich Christian Accum (1769–1838), A Practical Treatise on Gas Light, London 1815 (ausklappbare Karte am Ende des Bandes; das Original ist koloriert)
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