Table 2.

Identification of aluminum samples, cell design and designation of aluminum-point cells

Cell designation	Cell type	Sample batch No.
A-1a	a1 and 2	2571
A-2a	a1 and 2	1558
A-3	3	1558
A-4	3	2571
A-5	2	2571
A-6	2	1558

^aDuring preliminary experiments to determine the best procedure to conduct the investigations on the reproducibility of the aluminum-point cells, the samples were assembled in type 1 cells. They were later converted to type 2 cells for the measurements shown in table 3 and in figure 11.