TAA i.2.12a.1.30

                                                                                                                    (30)

deposit had a slight saltish taste (? NaCl) 

It was suggestive of an efflorescence from inside: it 

occurred chiefly on one kind of blue inlay & was 

entirely absent from a similar-looking greenish 

blue inlay. The blue on which it occurred 

was (a) a dark blue and (b) a medium blue 

(Query glue from gesso or from cement, probably latter). 

Replaced loose pieces of inlay and loose piece of 

gold using Necol cement as adhesive. On back 

used both Necol cement <in places> & casein adhesive <in places> for sticking <on the gold.>

The gesso on under side of seat was blistered and 

broken in a few places. Filled up blisters with 

<melted> paraffin wax (using a pipette) and strengthened 

weak places also with wax.

Thickness of gold. One piece = 0.1 mm – some thinner, some thicker.  

                              Gold over top rail of back = 0.08 mm.

Thin layer of material on spindle under gold looked like 

very thin gesso coated with glue. Gave nitrogenous smell 

on heating.