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                                                                        7
until commencement of work
Water all water used in the operations under these specifications shall have been distilled, with the exception of water used for wetting down which will be water sufficiently free of impurities such as iron and soluable salts.
Note as little water as possible shall be added as mixing the lime partly or to the mortar in subsequent [/strikethrough]or tempering in all platering operations. mortar shall be applied as day as possible and shall have been thoroughly mixed and well beaten

1 1/2=3
1=2
=2

3    1 1/2 sand
2    1 lime
2    1 cement

1 1/2 sand(or 1 1/2 ma)
1 part [?]
1 part [?]