C. 12 cm. guns cupolas.
D. Q.-F. disappearing guns.
E. Howitzer cupolas.
F. Searchlight.
Having done this, I would consider the best method of concealing my plans. In this case I decided to transform the sketch into that of a stained glass window, and if you will carefully examine the picture above you will see how successfully this has been done. Certain of the decorations signify the sizes and positions of the guns. These signs are given below, together with their meaning.
1. 15 cm. gun.
2. Howitzers.