Laying Out Tanks: Practical Notes on Drawing Office Practice for the Junior Draughtsman Available to Purchase

AS petrol and oil tanks necessitating some very irregular shapes have to be carried in various parts of an aeroplane, it is necessary to apply either Simpson's Rules or use a planimeter to obtain their capacity when drawing them out on the board. The writer has taken a few examples of tanks to be found in an aeroplane with a view to explaining their application.