Records show that the first microscopic observations were carried out on coal in the year 1830 by Lindley. The apparatus he used was crude and his work was mostly confined to the examination of fossilized leaves found in certain coals.
Reference:
Moodie, B. 1954. The microscopical examination of coal in reflected light. http://hdl.handle.net/10204/13136 .
Moodie, B. (1954). The microscopical examination of coal in reflected light Retrieved from http://hdl.handle.net/10204/13136
Moodie, B The microscopical examination of coal in reflected light. 1954. http://hdl.handle.net/10204/13136
Moodie B. The microscopical examination of coal in reflected light. 1954 [cited yyyy month dd]. Available from: http://hdl.handle.net/10204/13136