| Description | The reports is marked "Secret Patents involved".
At the front of the report are several loose items: a letter from ICI on experimental work on the standardization of laboratory analytical stills, dated 15 May 1944; drawings showing the constructional details of the three smaller types of laboratory column standardized by ICI; a sheet showing the performance of the four standard laboratory stills as calibrated with a n-heptane methylcyclohexane mixture. |