Table of contents :-

Introduction

1. L. St. Station - View of plant from the harbour.

2. L. St. Station - View of the Turbine Station from the street, showing the approach and gateway.

3. L. St. Station - View of station front and lawn. Coal towers and the gate and screen mechanism of the circulating conduits appear at the left.

4. L. St. Station - A view of a portion of the Turbine Station, showing the large window and arch, the principal architectural feature of the station.

5. L. St. Station - One of the interior fire-rooms.

6. L. St. Station - Transverse section.

7. L. St. Station - Longitudinal section through the Boiler House.

8. L. St. Station - Interior view in northerly Turbine Room.

9. L. St. Station - A closer view of #1 Turbine Unit.

10. L. St. Station - A view of the Operating Room on the upper floor of the Switch House.

11. L. St. Station - A view on the switch floor.

12. L. St. Station - An interior view of the generating room in the Engine Station; showing the engine units, arc light machines and station switchboard.

13. L. St. Station - A view in the coal storage yard.

Atlantic Avenue Station.

14. Atlantic Ave. Station - General view of plant. The earlier portion of the Station appearing in the centre of the picture and the later section showing just above and to the rear of it.

15. Atlantic Ave. Station - View in the new engine room ; showing 4 - 2,400 H.P. vertical cross compound engines, driving 300 volt D.C. generators.

16. Atlantic Ave. Station - View showing a motor operated 50" valve.

17. Atlantic Ave. station - View in the operating room.

18. Chatham St. Station - An exterior view of a station.

19. Chatham St. Station - A corner of the operating room ; showing the A.C. busses and motor switchboard.

20. Chatham St. Station - A view of the other sid=978-1-902222-19-6&e of the operating room ; showing the D.C. switchboard and instrument board.

21. Pemberton Sq. Station - This is a general view in a station.

22. Pemberton Sq. Station - Another view in the same station, showing the combination A.C. and D.c. board.

23. Newton Station - An exterior view of a sub-station.

24. Newton Station - An interior view in this station, showing the 6,900 volt switchboard and transformers.

25. Newton Station - Another interior view, showing the transformers and the 2,300 volt switchboard.

26. Newton Station - Still another interior view, showing a corner of the 2,300 volt board and the constant current transformers for arc lighting service.

27. Milton Station - An exterior view of a sub-station in a smaller but wealthy suburban town.

28. Map - Showing the territory served by the Company's mains, aggregating about 450 square miles.

29. Diagram - Showing the increase of arc light and motor business for the various years (year ends June 30th). The black areas represent arc lights, the shaded portion represents motors (in horsepower).

30. Diagram - Showing in similar manner the growth of incandescent lights. (Total number connected each year).