The New Zealand Railways Magazine, Volume 4, Issue 6 (October 1, 1929)
Air Compressors Old And New. — (1.) Steam-driven air compressor (capacity 600 cubic feet per minute) at the old Workshops at Hillside. — (2.) Modern electrically-driven air compressor (capacity 650 cubic feet per minute) recently installed at Hillside
Air Compressors Old And New.
(1.) Steam-driven air compressor (capacity 600 cubic feet per minute) at the old Workshops at Hillside.
(2.) Modern electrically-driven air compressor (capacity 650 cubic feet per minute) recently installed at Hillside.