RECORD OF TREATMENT, EXTRACTION ETC.

Shelfmark: 9009 cld b S&P Ref No. PB. 74161 Microfilm No.

Date Particulars pH Before or Existing pH After June 1999 4.51 6.66 Deacidification Magnesium Bicarbonate Adhesives wheat STARCH. PABte (con) GELATINE GLUE (Bind) Lined / Laminated manila 8.5.9sm Tissues.

Chemicals / Solvents Cover Treatment Other Remarks