Percy A Sigler

Performance test of floor coverings for use in low-cost housing :: part 3

Percy A Sigler, Elmer A Koerner, 1941 .

Performance test of floor coverings for use in low-cost housing :: part 4

Percy A Sigler, Elmer A Koerner, 1942 .

Indentation characteristics of floor coverings

Percy A Sigler, Myrtle B Woodward, 1941 .

Relative slipperiness of floor and deck surfaces

Percy A Sigler, 1943 .