Historical information
"Introductory Chemistry, including a course of practical exercises to be performed by the pupil" - R.A. Gregory & A.T. Simmons, Macmillan & Co. Ltd, London, 1914.
"Introductory Chemistry, including a course of practical exercises to be performed by the pupil" - R.A. Gregory & A.T. Simmons, Macmillan & Co. Ltd, London, 1914.