Hi, anyone have an idea of how to get this window open. It only opens a small bit and not as far as the sash restrictors. There are 2 knobs, pic shows one in place and one screwed out. The hole left of the one screwed out doesn't look as if it was done at manufacture, seems a bit untidy. These 2 knobs slide across a small bit to the inside, could they be some kind of lock?
Many thanks for any help, want to get this window open fully in this heat!
Many thanks for any help, want to get this window open fully in this heat!