The work of making legible parchment deeds documents damaged in the Napier earthquake, which was successfully carried out by the Dominion Laboratory, is described in the latest annual report of the laboratory. As a result of the heat of the fire which occurred the documents had dried out, shrunk, and hardened to such an extent that it was not possible to separate them without cracking. Tho problem was to restore moisture to the sheep skin of which parchment is composed without damaging the skin or destroying the ink. Advantage was taken of tho fact that alkalies have a very powerful action in introducing moisture into tho skin and tho parchments were successfully treated with a solution containing 1.2 per cent, of boric acid and 0.4 per cent of caustic soda, being finally stiffened again with a 10 per cent solution of formalin. Salads are always appreciated in summer especially if SHARLAND’S VINEGAR is used in the dressing. It, is so pure, so piquant, so ftill-flavtured it simply “makes’’ the salad. In bottle or bulk. All stores '
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https://paperspast.natlib.govt.nz/newspapers/HBTRIB19330419.2.20.3
Bibliographic details
Hawke's Bay Tribune, Volume XXIII, Issue 107, 19 April 1933, Page 3
Word Count
176Page 3 Advertisements Column 3 Hawke's Bay Tribune, Volume XXIII, Issue 107, 19 April 1933, Page 3
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