|
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
|
