Show i in ID a p pact art of 0 the albert in live spool ginK to hemerley heMe raey doki djoka and harbir board it occur occurred reI to tl e aag solle latant tant sAg engineer Aneer iu in charge of the work to make gale in into all ot the he old Us the wall was waa baut about 50 60 years ago of handmade hand made bricks laid in ground mortar made with Flint shire lime thin lime Is ii to ia a high decree boo baa a reputation 01 mak lag fog mortar of exceptionally good booi the journal or the royal ID ot ol british architects deeon ber the states that the engineer conceived tae be happy thought of leaving a piece of it in ia the form of a horizontal beam having 8 a 12 foot span and measuring mea Buring about 2 teet feet square quart in seven courses in he 4 kil height of a two foot toot wall the eod ends ot of k toe a beams were tot iut out free irom from the rest of the work tola toils beam was wae then loaded with all the weight that could be conveniently plied piled upon it with no appreciable del deflection lection or other sign aln of weakness weak resulting two courses were then out oft off and the whole weight again put on but with ga Q result tb Thee aoi is wae again fur abr r reduced by a leaving it four courser coura ep ait oit or fourteen fourte fourteen Fourte eu inches deep and the ends were ward also cut free from the other work the mortar beds bed of the 12 bearings bea ringa being left untouched A centrally placed alabed load ol of five tode fifteen hundred weight was waa then grad ualey piled upon it and was wae borne for several everal days without apparent effect upon the brickwork finally the weight was waa increased to six alx lx mind and a half tons tong which wag sustained for thirty hours when the beam collapsed during the he night and came down in pieces more like broken timber than anything else other tests teats were made with similarly astonishing results rei ulis but the a above leova ar are sul to show abow what really fira prick work IP in hydraulic 1 hm I me i will stand london people may |