Methods of
Sampling and physical testing
of leather
Foreword
Cooperating organizations
Methods
25. Measurement of the resistance to bending of heavy leather
26. Measurement of the resistance to abrasion of heavy leather
Appendix
A. Alternative materials and sampling methods
Figures
36. Apparatus for measuring deflections
37. Movement of leather samples over grindstone
38. Plan view of the eccentric movement of the gear box sketched in two positions after a rotation of 45°
39. Essential parts of abrasion machine
40. Ideal sampling position in the bend to be used for comparative abrasion tests on standardized materials