220. Drawing 10 E-33-240. Plan and profile conduit line - Power house to steel arch bridge 1904-11-27
221. Drawing 10 E-33-5156. Conduits - west wall of power house 1922-09-25
222. Drawing 10 E-33-8610. Conduit and cable connection - '0' manhole (bridge) 1941-06-01
223. Drawing 10 E-33-8610A. Conduit and manhole detail - rainbow bridge 1940-09-16
224. Drawing 10 E-33-10011. Plan showing sections under ground conduit - Queen Victoria Niagara Falls Park 1901-09-13
225. Drawing 10 E-33-10012. Plan showing standard manholes on conduit - line in Queen Victoria Niagara Falls Park 1901-09-16
226. Drawing 10 E-33-10035. Plan showing location of power conduit 1901-09-21
227. Drawing 10 E-33-10172. Plan showing conduit Queen Victoria Niagara Falls Park 1902-10-16
228. Drawing 10 E-33-10558. Plans & sections Conduit manholes adjacent to power house 1903-09-16
229. Drawing 10 E-33-10610. Map showing location of conduit from transformer station to manhole #30 with typical section of conduit 1903-09-26
230. Drawing 10 E-33-10611. Plan showing manhole #30 1903-09-26
231. Drawing 10 E-33-10619. Section of proposed conduit in Queen Victoria Park 1903-10-19
232. Drawing 10 E-33-10624. Details of conduit and manholes #28, #29 1903-10-14
233. Drawing 10 E-33-10636. Conduit - power house to Step up transformer 1903-10-29
234. Drawing 10 E-33-10652. Bridge for cable conduit over pipeline 1903-08-08
235. Drawing 10 E-33-10669. Details manhole #28 1903-11-13
236. Drawing 10 E-33-10680. Details manhole #27 1903-12-03
237. Drawing 10 E-33-10742. Location of conduit - power house to bridge 1904-01-12
238. Drawing 10 E-33-10757. Conduit from power house to upper arch bridge 1904-02-12
239. Drawing 10 E-33-10792. Water supply and drain for transformers 1904-04-18
240. Drawing 10 E-33-10796. Standard plan of manholes - power house to rainbow bridge 1904-03-26
241. Drawing 10 E-33-10808. Standard manhole cover for conduit 1904-04-19
242. Drawing 10 E-33-10827. Conduit - power house to step up transformer n.d.
243. Drawing 10 E-33-10836. Proposed location of conduit - table rock house 1904-02-11
244. Drawing 10 E-33-10977, 1 of 2. Conduits - details of brackets 1904-08-22
245. Drawing 10 E-33-10977, 2 of 2. Conduits - details of brackets 1904-08-22
246. Drawing 10 E-33-10979. Conduit - power house to step up transformer 1904-08-31
247. Drawing 10 E-33-10996. Details manhole #25 1904-09-17
248. Drawing 10 E-33-10998. Details manhole #26 1904-09-20
249. Drawing 10 E-33-10999. Details manhole #25 1904-09-27
250. Drawing 10 E-33-11000. Details of manholes #24, #23, #22 1904-11-03
251. Drawing 10 E-33-11002. Power house to west end of bridge 1904-10-05
252. Drawing 10 E-33-11023. Elevations. 1904-07-23
253. Drawing 10 E-33-11934. Map of conduits between generation station & transformer station 1917-02-09
254. Drawing 10 E-33-12725. Conduit to switch house 1916-06-24
255. Drawing 10 E-33-12735. Conduit map - power house to transformer house 1916-07-18
256. Drawing 10 E-33-16123. Proposed route of control cables 1942-08-07
257. Drawing 10 E-33-16384. Under ground conduits in proposed rainbow bridge 1940-05-08
258. Drawing 10 E-33-16834. Underground system Installation of armoured cable on prposed bridge over Niagara River 1940-03-12
259. Drawing 10 E-33-17251, 1 of 3. Rainbow bridge cable conduit 1941-09-26
260. Drawing 10 E-33-17251, 2 of 3. Rainbow bridge cable conduit 1941-09-26
261. Drawing 10 E-33-17251, 3 of 3. Rainbow bridge cable conduit 1990-08-29
262. Drawing 10 E-33-17252, 2 of 6. Rainbow bridge cable conduit 1941-07-17