Key to Reference Letters on Photograph. ' A. A.—Concrete dam containing turbines driven by impounded water and generating electricity. B.—Automatic flap sluices operated by tide, for impounding rising tidal water. C.—Road and railway viaduct. Cl & C2—Alternative loop for diversion of railway traffic to ensure continuous railway working. DI. D2,—Ship lock. E.E. Sic,—Piers and wharves for shipping as required. F.—Salt water lake for accumulating water power against neap: tide deficiencies, and times when tides are such that the turbines are not working. G.G.—Riverside areas lending themselves to industrial development. Note.—North of Tintern and indicated by a vertical line is the site of power house, in proximity to F.

Progress, Volume XVI, Issue 7, 1 March 1921, Page 158

Key to Reference Letters on Photograph. ' A. A. — Concrete dam containing turbines driven by impounded water and generating electricity. B. — Automatic flap sluices operated by tide, for impounding rising tidal water. C.— Road and railway viaduct. Cl & C2 — Alternative loop for diversion of railway traffic to ensure continuous railway working. DI. D2, —Ship lock. E.E. Sic, —Piers and wharves for shipping as required. F. —Salt water lake for accumulating water power against neap: tide deficiencies, and times when tides are such that the turbines are not working. G.G. —Riverside areas lending themselves to industrial development. Note.— North of Tintern and indicated by a vertical line is the site of power house, in proximity to F.