Externally, the jollity of aged men has much in common with the mirth of children; the intellect, any more than a deep sense of humour, has little to do with the matter; it is, with both, a gleam that plays upon the surface, and imparts a sunny and cheery aspect alike to the green branch and grey, mouldering trunk.
1) Knob and tube wiring is two-stranded â with a hot wire and a neutral wire only â it uses no ground wire. There is absolutely no protection whatsoever when a fault occurs.
Self adjusting brush roller, goes from carpet to bare floors with no adjustments. 40 foot power cord is connected to the pigtail cord using a cord clamp, allowing you to easily replace a damaged cord without expensive repairs or re-wiring. Cord guard prevents cord damage. Soft wheels protect wood floors.