Item consists of one original print of the vault. Title is taken from the subject matter of the photograph;Maintenance holes served as the junction centres for the underground conduit/duct system. The electric cables were connected and redirected as necessary in the maintenance holes. The transformers were also located in the maintenance holes;480 vaults have red wires, 208 vaults have black wires;Other photographs of maintenance holes are available;Photograph taken by Engineer Moe Jaffer
Item consists of one original print of the maintenance hole. Title is taken from the subject matter of the photograph;Maintenance holes served as the junction centres for the underground conduit/duct system. The electric cables were connected and redirected as necessary in the maintenance holes. The transformers were also located in the maintenance holes;"Man hole";Probably #47 out of Substation #1;Photograph taken by Engineer Moe Jaffer;Other photographs of the maintenance hole are available
Item consists of one original print of the lane way. Title is taken from the subject matter of the photograph;Photograph taken by Engineer Moe Jaffer;Other photographs of utility poles and light standards are available
Items consist of two copy prints from The City of Calgary Electric System "Hotline" newsletter. Title is taken from the subject matter of the photograph;See "Hotline" December 1977
Item consists of one original print of the vault. Title is taken from the subject matter of the photograph;Maintenance holes served as the junction centres for the underground conduit/duct system. The electric cables were connected and redirected as necessary in the maintenance holes . The transformers were also located in the maintenance holes;480 vaults have red wires, 208 vaults have black wires;Other photographs of maintenance holes are available;Photograph taken by Engineer Moe Jaffer
Item consists of one original print of the the street. Title is taken from the subject matter of the photograph;Maintenance holes served as the junction centres for the underground conduit/duct system. The electric cables were connected and redirected as necessary in the maintenance holes. The transformers were also located in the maintenance holes;Foot treads on top of vault covers for pedestrians to walk on were designed after the feet of Abe Wiens, a 6 foot 8 lineman who worked for the Electric System for many years and who has many photos of the first steel transmission line to be installed in 1961;Other photographs of maintenance holes are available;Photograph taken by Engineer Moe Jaffer
Item consists of one original print of the distribution lines. Title is taken from the subject matter of the photograph;Photograph taken by Engineer Moe Jaffer;Other photographs of utility poles and light standards are available
Item consists of one copy print of the demonstration. Title is taken from the subject matter of the photograph;Pamela Twa and Marjorie Halliwell;See October 1977 "Hotline
Item consists of one original print of the installation. Title is taken from the subject matter of the photograph;Supervisory Control and Data Acquisition Facilities;See August 1977 "Hotline" newsletter
Items consist of one negative and one copy print of the interior of the Plant. Title is taken from the subject matter of the photograph;35mm negative located in Box 09, Bay 222, Shelf 05