Ultimate Strength of Plane Curved Girders

The existing chapel comprises three spans, 21 ft 0 in. externally, the central one measuring 25 ft 3 in. Each span was built at a different period, the original centre building being more than a hundred years old. The original 22 1/2 in. external walls to this span now formed the division between the three aisles, the only visual link being a low-level arch fenestration formed for pedestrian movement; occupiers of the side aisles were very much isolated from the main body of the chapel and the majority did not have a clear view of the altar. J. W. BUNCE

Mr. S. B. Tietz (Associate-Member) referred to some tests carried out on polyester resins, not unfortunately under conditions as well controlled as in Mr. Johnson's tests, nor numerous enough in some cases to draw any final conclusions. On the other hand he considered that they were indicative.

Dr. M. Soare of Bucharest writes:- ‘Mr. Banerjee states that “ ‘three’ numbers of boundary conditions are imperative for the solution of conoids ” and that “ Soare’s method assuming ‘two’ conditions instead does not offer a complete solution.”