one of the other sketches in the folder was particularly dreadful , it had what looked like a conservatory built over the area between the hangar and bridge structures , very imaginative ( i think not ) , this was apparently the feeble effort by the sno ( senior naval architect ) , although i had immediately take a liking to one of the original three sketchs , it was signed d. duk ( he had to be called donald ) and i put it to one side .