Description.

Quicklime or Cement.

Sand.

Water.

Mortar made.

Remarks.

Cub. ft.

Cub. ft.

Gallons.

Cub. ft.

White chalk lime in lump

1

2

7 1/4

2 5/12

The quantity of water mentioned includes that required for both slaking and mixing.

Do. do.

1

3

8

3 1/12

Portland stone lime in lump

1

3

73/4

3 2/3

Grey chalk lime in lump

1

2

7 1/2

2 1/2

Do. do.

1

3

8 1/2

3

Stone lime (Plymouth,1 in lump

1

3

9 1/3

3 1/9

Lias (Keynsham)1 in lump

1

3

7 1/2

2 2/3

Lias (Warwickshire) in lump

1

2

3

2 1/4

Do. do. ground

1

2

3

2 1/2

Lias (Keynsham)1 do.

1

2

3

2

Do. do. do.

1

3

4 1/4

2 1/5

Lias (Lyme Regis) do.

1

2

4 2/3

2 1/3

Arden lime ground

1

1

3 5/8

1 7/12

Roman cementl .

1

1

5

1 2/3

Portland cement2

1

1

2

1 2/3

Do.2

1

2

1 2/3

2 2/3

Do.2

1

3

1 1/2

3 1/3

Do.2

1

4

1 2/3

4 1/8

Do.2

1

5

1 2/3

5 /18

1 Deduced from Cooke's Aide Memoire.

2 Deduced from Grant's Experiments, M.I.P.C.E., vol. xxv. The quantities varied according to the amount of water used; the Table shows the average.

Where authorities are not given, the quantities stated have been derived from experiments made for this work.

The results of further experiments, giving the same kind of information, will be found in Hurst's Surveyor's Handbook.