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2 Table of Contents: “... of Variance -- 10 Recording Data on Punch Cards -- Appendix 1 The Normal Distribution Function -- References...”

3 Table of Contents: “... and Short Essays. Father Busa Female Punch Card Operatives / Melissa Terras and Julianne Nyhan...”

4 Table of Contents: “... Safety factor -- 1.5 Shear strain -- 1.6 Punching holes in a material -- 1.7 Bending and torsion...”

5 “... punched card key, is an excellent book which is useful in practice. Characters describing the sc1erenchyma...”