On 28/08/2018 15:23, Newman wrote:
How can I visually confirm the profile of existing guttering [either
half round or deepflow] from 20 feet below?

Regards
should be obvious

--
The fact that nobody understands you doesn't mean you are an artist
I believe in a better world where Chickens can cross the road without
having their motives questioned
Ask your doctor if medical advice from a TV advert is right for you
What if the hokey pokey IS what it is all about ?