Accession Number : AD0672039

Title :   PORTABLE APPARATUS FOR MEASURING SURFACE IRREGULARITIES IN PANEL PRODUCTS.

Descriptive Note : Forest Service research note,

Corporate Author : FOREST PRODUCTS LAB MADISON WIS

Personal Author(s) : Hefty,F. V. ; Brooks,J. K.

Report Date : MAY 1968

Pagination or Media Count : 16

Abstract : Portable apparatus developed at the Forest Products Laboratory makes possible approximate measurement of vertical deformations on wood surfaces. Fixed-focus camera unit provides photographs of surface under study, using a shadow-casting technique. (Author)

Descriptors :   (*WOOD, ROUGHNESS), QUALITY CONTROL, PHOTOGRAPHIC EQUIPMENT, DEFORMATION, TEST EQUIPMENT, TEST METHODS, FLOW VISUALIZATION

Subject Categories : Wood, Paper and Related Forestry Products

Distribution Statement : APPROVED FOR PUBLIC RELEASE