Blocks used for sidewalks on Consumer's Central Heating System at Pierce County Court House, Holroyd Company, Jim Holroyd. A workman is laying concrete blocks on either side of the pipe that provided steam throughout much of downtown Tacoma using an underground distribution system. The central generating plant used hogged fuel (mill refuse) from local sawmills. (TDL, 5/26/1931)

Holroyd Co. (Tacoma); Consumer's Central Heating Co. (Tacoma); Building materials--Tacoma; Concrete products industry--Tacoma--1940-1950; Heating & ventilation industry--Tacoma--1940-1950;

Blocks used for sidewalks on Consumer's Central Heating System at Pierce County Court House, Holroyd Company, Jim Holroyd. A workman is backfilling the trench for the Consumer's Central Heating Company pipe that had been lined with concrete blocks to provide easy access to the pipe. The area where the pipe ran is covered with a sturdy material.

Holroyd Co. (Tacoma); Consumer's Central Heating Co. (Tacoma); Building materials--Tacoma; Concrete products industry--Tacoma--1940-1950; Heating & ventilation industry--Tacoma--1940-1950;