One corner cleaner.
One radiator cleaner.
In addition, one or more hat brushes should be included with each installation.
The renovator equipment for a system in which 70 cu. ft. of air per minute is exhausted for each renovator in operation, which the author classes as a “large volume” system, should contain the following renovators in each “set” furnished:
One carpet renovator, with slot ¹⁄₄ in. by 15 in.
One bare floor renovator 15 in. long, with curved felt-covered face.
One wall brush, with skirted bristles 12 in. long and 2 in. wide.
One hand brush, with hose connection at end, 8 in. long and 2 in. wide.
One 4-in. round brush for relief work.
One upholstery renovator.