Original 1959 Oil and Gas trade vintage catalog for PERFECT CIRCLE CORPORATION.  Main office and plant was located at 11655 McBean Drive, El Monte, CA.

Manufacturers of Oilfield Wellhead Equipment

Products include Cosasco Access Fittings, Cosasco Unitized Wellheads and Cosasco Retriever for installing and removing plugs under pressure. Cosasco Access Fittings are installed ahead of valves and gages to seal off outlets but retain gaging or testing capacity, to remove or replace valves or externals and to insert instruments, coupons, samplers, thermocouples and hydrogen probes without interfering with normal operations.

Has numerous product images, illustrations, descriptions, applications and specification charts provide extensive product details. Unbound from a large 1958-1959 Catalog of Oil Field Equipment, this unique old four-page technical specifications brochure would display beautifully matted and framed. Nice graphics. A fabulous addition to your retro petroleum industry library. Pages are detached and may contain a small amount of residual glue on edge.