Eseway Hardness Testers Models: Types R, PR, PRB, ER, ELR, ERW, ELRW, ERBW and ELRBW. Operating Instructions with Hardness Scales and Brinell Conversion Charts.

Ingersol-Rand Straight-Line, Horizontal Heavy-Duty Compressor (Probably marked: ES, ER, FR and FS). Operator's Instruction and Maintenance Instructions.