Serving rural America.

"HEP-01/9-01(1M)E"--Cover p. [4].

Equipment serviceability criteria for compressor, reciprocating, air, power driven, high pressure, 4 CFM and up, 1000 PSI and up, group I--four wheel MTD, pneumatic tires, GED, Davey mdl P-4, Joy mdls 15HGPS-MSI and 15HGP9-MSI, Joy mdl WK-80 15H1, Joy mdl 415HGP3-MSI, Ingersoll-Rand mdl P4R 15 G-J, Stewart-Warner mdl 12021A ...

"20 June 1973"--P. 1.