537
without flying - the cement is considered to be free from an excess of lime-
The dry pats are also a test of colour, and also afford indications of an excess of clay if present-
(f) Other pats about 8′′ x 3′′ x ⅛″ are made at the same time, and kept some in water, some exposed to the air.
There are a further check upon over liming, over claying, and colour.
(g) Some of the cement taken at the time of loading is gauged and tested as a check test at 7 days - and some is put up for testing in 6 months time.
About 3 quarts of cement from each loading is kept for 6 months on an air-tight stone-jar and used for reference or experiment if needed.
(h) The cement having passed the above-mentioned tests, it is accepted and yourselves and your Shipping agents are advised. Freight being arranged, and a time fixed for loading.
Assistant attends at the my Works - checks the accuracy of the machines - takes the average casks - places weight of the empty casks, that weight plus 400 lbs on the beam of the machine - and as the casks are filled, they are weighed - Cement being taken out, or added as may be necessary. Alongside the weighing Machine
Page 540
Page 541