Om Materialprøvningens Udvikling i Norden
Og om Statsprøveanstaltens Virksomhed

 123 and the materials tested at the laboratory have thus been of rather great value. The increase in the work of the laboratory appears from page 20, fig. 6, where the ordinates indicate the annual income in thousands of danish crowns for tests made during the 12 years passed. The printed price-list include 285 various tests. The laboratory has every year published an annual report in »Ingeniøren«; but besides it has now and then in the same jour- nal published its researches especially on series of tests of scienti- fic-technical nature. These informations treated the following subjects: I. II. III. IV. V. VI. VII. VIII. IX. X. XI. XII. XIII. The 50,000 kg automatic and auto- graphic testing machine from Ti- mus Olse'n & Co., Philadelphia. . . . Tests of India rubber packings .... Linoleum ........................ Tests of clinkers to wear ........ Tests regarding the restoration of the exchange of Copenhagen ........... Researches regarding the restoration of the facade of Thorvaldsens mu- seum ........................... Pyrometric tests of some Danish sorts of clay .................... Report of tests of steam-pipes and gas- and water-pipes made for the pipe-committee of the Danish So- ciety of Civil Engineers .......... Investigations as to the practical use of »Moler« in the Industry ...... Experiments on painting on fresh, surface-dry or moist plastering oft cement-mortar .................. Preliminary report of a series of tests regarding means of preserving wood ........................... Researches on linseed oil and rust- preventing means ................ Tests of cement- and clay-pipes .... »Ingeniøren« 1898, Nr. 11, p. 77 1899, » 15, » 119 1900, » 44, » 339 1901, » 14, » 73 1902, » 8, » 57 1903, » 2, » 9 1903, » 12, » 89 1903, » 42, » 293 1904, » 24A, » 177 1905, » 28, » 183 1905, » 45, » 295 1906, » 1, » 1 1907, » 29, » 211 9* ________________________________ ___________