Set in place, the ladder is strong and stable, and it rolls well even on our fairly thick carpet. We have had to warn the kids, however, that this is a piece of furniture and NOT a Disney ride–whatever they may have seen Belle doing during a certain musical number in the animated...
Orifice Gate – Shimming System The Roller Gate features a perforated bonnet cover at the back of the valve to indicate dusting and seal wear: Roller Gate – Perforated Bonnet Cover If material dusts become present in the gate’s bonnet, this is an indication that the gate’s bonnet seal ha...
is popular in Europe, not so much here. Mr. Popp was a optician and Popp's goes way back into the 50's with very little change and beautifully constructed. Something that has been haunting me is why the odd white shim behind the primary, and maybe that explains the shimming on the ou...