MECO MSS Vapor Compression Still with GII Compressor

Compressorized AHU - Compressor Installation

The Ingersoll-Seargeant air compressor located in an adjacent room to the Cable B winder.

DPC16PS

This compressor is used to pump air into the tanks, for use on the locomotive breaks.

Danfoss R290 compressor at AHR Expo 2011

MECO MSS Vapor Compression Still with GII Compressor

BWT 19015 10.23.19 5

Compressorized AHU - Compressor Installation

A 2 cylinder CO2 Compressor, the first what to make air conditioning. At the Paramount Theater. This Wittenmeier system was commonly installed in theaters in the 1920s and 1930s. The gauges read in Atmosphere, the pressure in the system could exceed 2000psi. By measuring it in ATM, there was less perceived danger, as the numbers on the gauges were lower.

Compressor

L-1 microcompressor

Credit: Earthworks

Photos used in "Permitted to Pollute": www.earthworksaction.org/permittedtopollute

view of previous compressor from the doorway, to give a sense of scale to the flywheel

Lewis & Clark County, Montana