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4,016 Gramme (No. 2). 6,663 4,016 Siemens (Large) 14,818 8,932 Siemens (Small, No. 2) 6,864 4,138 Two Holmes's coupled 2,811 2,811 Two Gramme's (Nos. 1 and 2) 11,396 6,869 Two Siemens' (Nos. 1 and.