263. Drawing 10 H-1362. Power house extension west elevation [Adam's station] 1897-02-10 Cataract Construction Co.
264. Drawing 10 H-1430. Plan with specifications showing manner of transmission of electricity and pneumatic power to points beyond the Park in conduits beneath the surface of the Park 1897-04-27 CNPC
265. Drawing 10 H-1892, 1 of 4. Proposed plan to longitudinal section through chamber 1892-01-11 [CNPC]
266. Drawing 10 H-1892, 2 of 4. Sketch plan of under ground chamber plan number 2 1892-01-11 [CNPC]
267. Drawing 10 H-1892, 3 of 4. Proposed development requiring least capital out lay 1893-12-01 [CNPC]
268. Drawing 10 H-1892, 4 of 4. Elevations of proposed plan number 2 n.d. [CNPC]
269. Drawing 10 H-5411. Garage and oil store room 1923-03-28 CNPC
270. Drawing 10 H-6987-A. Garage and sales office - Heating plan 1927-10-26 CNPC
271. Drawing 10 H-6987-A. Garage and sales office - Heating plan 1927-10-26 CNPC
272. Drawing 10 H-6987-A. Garage and sales office - Heating plan 1927-10-26 CNPC
273. Drawing 10 H-6987-A. Garage and sales office - Heating plan 1927-10-26 CNPC
274. Drawing 10 H-6987, 1 of 6. Garage and sales office - Foundation plan 1927-10-26 CNPC
275. Drawing 10 H-6987, 2 of 6. Garage and sales office - Main floor plan 1927-10-26 CNPC
276. Drawing 10 H-6987, 3 of 6. Garage and sales office - Elevations and details 1927-10-26 CNPC
277. Drawing 10 H-6987, 4 of 6. Garage and sales office - Plans elevations sections and details 1927-10-26 CNPC
278. Drawing 10 H-6987, 5 of 6. Garage and sales office - Sections details and roof plan 1927-10-26 CNPC
279. Drawing 10 H-6987, 6 of 6. Garage and sales office - Conference room 1927-11-30 CNPC
280. Drawing 10 H-6987-09. Garage and sales office - Detail of kitchen off conference room 1928-06-18 CNPC
281. Drawing 10 H-6987-10. Garage and sales office - Model kitchen on main floor 1928-01-18 CNPC
282. Drawing 10 H-6987-11. Garage and sales office - Revised opening to kitchen from conference room 1928-01-23 CNPC
283. Drawing 10 H-6987-14. Garage and sales office - Display window details 1928-03-05 CNPC
284. Drawing 10 H-7469. Sales office - North & west Elevations. 1929-07-23 CNPC
285. Drawing 10 H-7469. Sales office - Section thru building showing proposed office space 1929-07-23 CNPC
286. Drawing 10 H-7469-B. Sales office - North & west Elevations. 1929-07-27 CNPC
287. Drawing 10 H-16400. Queen Street office garage extension and lineman's room 1930-02-01 CNPC
288. Drawing 10 H-10004. Map and profile showing right of way for transmission line sheet no. 2 from Chippawa Creek to side road between lots 14 & 15 Con.1 Township of Willoughby 1895-11-14 CNPC
289. Drawing 10 H-10028. Details of cribs and bulk heads 1901-12-02 CNPC
290. Drawing 10 H-10897, 1 of 4. Cross section of tunnel for the Toronto and Niagara Power Company n.d. CNPC
291. Drawing 10 H-10897, 2 of 4. The Toronto and Niagara Power Company sections of tail race tunnel 1903-03-24 CNPC
292. Drawing 10 H-10897, 3 of 4. Electrical Development Company of Ontario sections of tail race tunnel n.d. CNPC
293. Drawing 10 H-10897, 4 of 4. Stop log chamber n.d. CNPC
294. Drawing 10 H-11470. First floor plan of store house and machine shop 1906-06-22 CNPC
295. Drawing 10 H-11470. First floor plan of store house and machine shop 1906-06-22 CNPC
296. Drawing 10 H-11471. Second floor plan of store house and machine shop 1906-06-23 CNPC
297. Drawing 10 H-11472. Longitudinal section of store house and machine shop looking west 1906-06-23 CNPC
298. Drawing 10 H-11473. Cross section of store house and machine shop looking south 1906-06-22 CNPC
299. Drawing 10 H-11474. East elevation of store house and machine shop 1906-06-23 CNPC
300. Drawing 10 H-11475. West elevation of store house and machine shop 1906-06-23 CNPC
301. Drawing 10 H-11476. End elevations of store house and machine shop 1906-06-22 CNPC
302. Drawing 10 H-11476. End elevations of store house and machine shop 1906-06-22 CNPC
303. Drawing 10 H-11478. Detail of cornice for store house and machine shop 1906-11-08 CNPC
304. Drawing 10 H-B-11553. Details of cast iron bases and cap for columns in store house and machine shop 1906-10-12 CNPC
305. Drawing 10 H-B-15557. General plan and details of steel work and foundations for support of hoist at store house 1906-10-30 CNPC
306. Drawing 10 H-B-11568. General arrangement of stairs for store house and machine shop 1906-10-22 CNPC
307. Drawing 10 H-A-11569. Details of stairs for store house and machine shop 1906-10-20 CNPC
308. Drawing 10 H-B-11571. Store house and machine shop - General arrangement of plumbing and lavatories 1906-12-06 CNPC
309. Drawing 10 H-D-11613. Diagram showing arrangement of automatic sprinklers and piping first floor of store house and machine shop 1907-03-29 CNPC
310. Drawing 10 H-A-11614. Diagram showing arrangement of automatic sprinklers and piping second floor of store house and machine shop 1907-04-01 CNPC
311. Drawing 10 H-B-11619. Details of bins for store house 1907-04-08 CNPC
312. Drawing 10 H-11651. General plan and details of Fort Erie transformer station 1907-07-11 CNPC
313. Drawing 10 H-11652. Details of steel work for Fort Erie transformer station 1907-07-16 CNPC
314. Drawing 10 H-11655, 1 of 2. Store house and machine shop - First floor 1907-06-05 CNPC
315. Drawing 10 H-11655, 1 of 2. Store house and machine shop - Second floor 1907-06-05 CNPC
316. Drawing 10 H-11666. Details of steel work for Fort Erie transformer station 1907-08-06 Hamilton Bridge Works
317. Drawing 10 H-11670. General location and details of store house fence 1907-09-03 CNPC
318. Drawing 10 H-11828. General plan and details showing extension of main step up transformer station 1908-06-12 CNPC
319. Drawing 10 H-11860. Map showing location of proposed dwellings near main step up transformer house 1908-09-04 CNPC
320. Drawing 10 H-11866. Elevations of dwelling at main step up transformer station 1908-09-14 CNPC
321. Drawing 10 H-11867. General plan and details of interior trim of dwelling at main step up transformer station 1908-09-11 CNPC
322. Drawing 10 H-11868. Elevation of dwelling at main step up transformer station 1908-09-16 CNPC
323. Drawing 10 H-11869. Details of interior trim of dwelling at main step up transformer station 1908-09-16 CNPC
324. Drawing 10 H-11870. General plans of dwelling at main step up transformer station 1908-09-15 CNPC
325. Drawing 10 H-12023. General plan of step up transformer station 1912-08-30 CNPC
326. Drawing 10 H-12274. Office building - General plan of first floor 1912-02-23 CNPC
327. Drawing 10 H-12530. Map showing proposed compressed air pipe from power house to transformer station 1914-07-07 CNPC
328. Drawing 10 H-C-12806. Black smith shop plans and Elevations. 1917-10-05 CNPC
329. Drawing 10 H-C-12837. Store house and machine shop - Mezzanine for pattern storage 1918-06-23 CNPC
330. Drawing 10 H-13204. Proposed gathering weir at station intake 1906-03-02 CNPC
331. Drawing 10 H-14129. 15,000 horse power turbine for Toronto Power Company sectional arrangement 1910-06-23 I.P. Morris Co., Philadelphia
332. Drawing 10 H-14129-A. 15,000 horse power turbine for Toronto Power Company sectional arrangement 1910-06-23 I.P. Morris Co., Philadelphia
333. Drawing 10 H-16063. Plan attached to agreement between Queen Victoria Niagara Falls Park and Electrical Development Company for power privileges with in park 1904-12-15 CNPC
334. Drawing 10 H-20-C.1. Linemen's room in garage. Lintel in front wall. n.d. CNPC
335. Drawing 10 H-16070, 1 of 3. Garage and Storage building on Concession Road Fort Erie [Second floor plan. Lot plan. East elevation. Fopundation plan. First floor plan] 1940-05-01 CNPC
336. Drawing 10 H-16070, 2 of 3. Garage and Storage building on Concession Road Fort Erie [Elevations, sections] 1940-05-01 CNPC
337. Drawing 10 H-16070, 3 of 3. Garage and storage building on Concession Road Fort Erie [Details] 1940-05-01 CNPC
338. Drawing 10 H-16071, 1 of 2. Garage and storage building Fort Erie [Elevations, floor plans] 1939-10-24 CNPC
339. Drawing 10 H-16071, 2 of 2. Garage and storage building Fort Erie [Elevations, floor plans] 1940-08-02 CNPC
340. Drawing 10 H-16071, 2 of 2. Garage and storage building Fort Erie [Elevations, floor plans] 1940-08-02 CNPC
341. Drawing 10 H-16072, 1 of 5. Additions to sales office - Second floor 1929-02-01 CNPC
342. Drawing 10 H-16072, 2 of 5. Additions to sales office - Second floor plan 1929-02-01 CNPC
343. Drawing 10 H-16072, 3 of 5. Additions to sales office - North and west Elevations. 1929-02-01 CNPC
344. Drawing 10 H-16072, 4 of 5. Additions to sales office - West elevation 1929-02-01 CNPC
345. Drawing 10 H-16072, 5 of 5. Additions to sales office - Section 1929-02-01 CNPC
346. Drawing 10 H-16073. Plot plan Fort Erie office building n.d. CNPC
347. Drawing 10 H-16096. HEPC Assembly boring and turning rig 1925-05-01 Hydro Electric Power Commission of Ontario
348. Drawing 10 H-16400. Queen Street office garage extension and lineman's room 1930-02-01 CNPC
349. Drawing 10 H-16400-A. Lineman's room and extension plan and details 1951-07-26 CNPC
350. Drawing 10 H-16400-A. Lineman's room and extension plan and details 1951-07-26 CNPC