Dry Lakes Racers Australia

I noticed that Mike Davidson had a periscope system to see over his new raised bonnet in his beautiful Flatattack. I can't find anything in the rule book that even mentions them, so am I right in concluding that the use of a periscope is legal?

Cheers
Dave

I'm just dreaming again. If I had a dollar for every minute I've spent in my life planning vehicles that never got built I could afford to build several of them. Maybe I could use line of sight that wasn't perfect and supplement that with a periscope or even lipstick style cameras.