2154. Drawing 12 E-0-7851. Ridgeway sub station - Plans, elevations and details 1936-06-02
2155. Drawing 12 E-0-7851. Ridgeway sub station - Plans, elevations and details 1936-06-02
2163. Drawing 13 E-2-7852. Ridgeway sub station and out door structure sections 1936-06-04
2164. Drawing 13 E-2-16319. Ridgeway sub station 1947-02-20
2165. Drawing 13 E-2-16371. Plan and details of foundations for sub station No.13 Ridgeway 1949-08-30
2166. Drawing 13 E-2-16371. Plan and details of foundations for sub station No.13 Ridgeway 1949-08-30
2167. Drawing 13 E-4-16136. Outline. 1928-03-12
2168. Drawing 13 E-4-16138. Assembly and lay out plan and H.V. elevation three phase transformer at Ridgeway sub station 1928-03-13
2169. Drawing 13 E-7-107C81-A. Operating mechanism layout for 46 KV 600A MK-39 inch disconnect switch. 1947-02-07
2170. Drawing 13 E-7-109C33. Operating mechanism layout for 46 KV 600A MK-39 inch switch Ridgeway substation No.13. 1947-12-18
2171. Drawing 13 E-7-16377, 1 of 3. 46 KV switch and bus structure steel details Ridgeway sub No.13 1949-07-11
2172. Drawing 13 E-7-16377, 1 of 3. 46 KV switch and bus structure steel details Ridgeway sub No.13 1949-07-11
2173. Drawing 13 E-7-16377, 2 of 3. 46 KV switch and bus structure steel details Ridgeway sub No.13 1950-01-02
2174. Drawing 13 E-7-16377, 2 of 3. 46 KV switch and bus structure steel details Ridgeway sub No.13 1950-01-02
2175. Drawing 13 E-7-16377, 3 of 3. 46 KV switch and bus structure steel details Ridgeway Sub No.13 1950-10-04
2176. Drawing 13 E-7-16377, 3 of 3. 46 KV switch and bus structure steel details Ridgeway Sub No.13 1950-10-04
2177. Drawing 13 E-7-16378. General lay out of high tension structure substation No. 13 Ridgeway 1949-02-10
2178. Drawing 13 E-7-16379. 4.6 KV bus and switch structure - electrical assembly Ridgeway sub station No.13 1949-07-11
2179. Drawing 13 E-7-16389, 1 of 2. Plan and details of high tension steel structure Ridgeway sub station No. 13 1945-12-29
2180. Drawing 13 E-7-16389, 1 of 2. Plan and details of high tension steel structure Ridgeway sub station No. 13 1949-12-29
2181. Drawing 13 E-7-16389, 2 of 2. Plans and details of high tension steel structure Ridgeway sub station No. 13 1945-12-29
2182. Drawing 13 E-7-16389, 2 of 2. Plans and details of high tension steel structure Ridgeway sub station No. 13 1949-12-29
2183. Drawing 13 E-8-16374. Switch board layout front view Ridgeway sub station No.13 1949-10-08
2184. Drawing 13 E-16-16375. Panel wiring diagram Ridgeway sub station No.13 1949-12-16
2185. Drawing 13 E-16-16388. Schematic wiring diagram Ridgeway sub station No.13 1949-12-27
2186. Drawing 13 E-17-17A20. Wiring diagram for "C.R." and "S.C." relays Ridgeway sub station. 1937-03-25
2187. Drawing 13 E-23-16380. Outdoor service conduits and lighting lay out for low tension structure Ridgeway station No.13 1949-08-19
2188. Drawing 13 E-23-16380. Outdoor service conduits and lighting lay out for low tension structure Ridgeway station No.13 1949-08-19
2191. Drawing 13 E-33-16372. Lay out of duct work and ground system for Ridgeway sub station No.13 1949-08-09
2192. Drawing 13 E-33-16372. Lay out of duct work and ground system for Ridgeway substation 1949-08-09
2193. Drawing 13 E-33-16373. Location of panels and trench in buildings and details of trench at Ridgeway sub station No.13 1949-09-19