ILLUSTRATIONS.

FIG.PAGE
[1].Limestone block with well-preserved surface[3]
[2].Limestone block with pitted surface[3]
[3].Limestone block showing destruction of surface[4]
[4].Potsherd showing saline efflorescence[5]
[5]. Pottery showing sodium nitrate efflorescence[6]
[6].Portion of horse-trappings showing blue and green patina[35]
[7].Head of Osiris showing advanced condition of warty patina[38]
[8].Etruscan mirror showing warty patina[40]
[9]. Bronze figure showing destructive patina [42]
[10]. [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].
[32].Iron object before and after treatment by Krefting’s method[114]
[33].
[34].Piece of iron sword-blade with inscription revealed by Krefting’s method [116]
[35].Iron sheath after treatment by combination of Blell’s and Krefting’s method[117]
[36].Hammer-heads for removal of bronze incrustations[120]
[37].Osiris showing cracking and destructive patina[123]
[38].Boeotian bridle showing cracked patina[124]
[39].Bronze bull showing warty patina[132]
[40].The same after reduction by Finkener’s method[133]
[41].Bronze axe-blade before treatment by Finkener’s method[134]
[42].The same after treatment by Finkener’s method[135]
[43].Reverse side of same after treatment[136]
[44].Dagger-sheath before treatment by Finkener’s method[137]
[45].Dagger-sheath after treatment, showing design[137]
[46].Roman coins before treatment by Krefting’s method[142]
[47].Roman coins after treatment by Krefting’s method[143]
[48].Method of mounting objects in air-tight damp-proof cases[145]

LITERATURE.

Aarböger for nordisk Oldkyndighed og Historie, udgivne af det kongelige nordiske Oldskrift-Selskab. Copenhagen.

Aarsberetning fra Foreningen till norske Fortidsmindesmaerkers Bevaring. Christiania.

Annalen der Chemie und Pharmacie. Edited by Wöhler, Liebig and Kopp. Since 1873: Liebig’s Annalen der Chemie.

Antiquarisk Tidsskrift, udgivet af det kongelige nordiske Oldskrift-Selskab. Copenhagen 1843-63.

Archaeological Journal. London.