We were up at 6 a.m. as usual after a fitful night’s sleep. MAC has developed a persistent cough and this disturbed both of us. Soon we were at breakfast and when MAC became vertical, her cough was better. We set off for the build site at about 8.30 a.m. and soon were preparing for a brick makingg demonstration. We needed gravel for this and had to use the hand crusher machine to fill up a wheel barrow with gravel, This contraption which is straight out of Rube Goldberg is put together from parts from an old Coca Cola bottling plant. By pushing a handle up and down, a large disc crushes the rocks into small gravel. It is sometimes necessary to put the residue through the crusher twice in order to get the correct grade of gravel for brick making. When the gravel was prepared we retired to where the brick making machine was and the gravel was mixed with sand and water to make a suitable consistency of mix. Aiden demonstrated how this consistency could be assessed by scrunching the...
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