href="@public@vhost@g@gutenberg@html@files@46851@[email protected]#Page_43" class="pginternal" tag="{http://www.w3.org/1999/xhtml}a">43

11.   The same after treatment (Finkener’s method)   44 12.     45 13. Gay-Lussac’s burette 62 14. Air-pump fixed to water-tap 68 15. Apparatus for impregnation by extraction of air 69 16.   Assyrian clay tablet showing incrustation 79 17.   The same after treatment 79 18.   19.   Assyrian clay tablet before and after treatment 80 20.   21.   22.   Babylonian clay cone before and after treatment   82 23.   83 24. Water-bath for iron objects 94 25. Iron sword treated by Blell’s method 108 26. Iron spear-head treated by Blell’s method 109 27. Iron fibula treated by Blell’s method 109 28. Application of Krefting’s method 111 29. Iron spear-head treated by Krefting’s method 112 30.   Iron pin before and after treatment by Krefting’s method 113 31.