8,932 Siemens (Small, No. 1) 5,539 3,339 Siemens (Small, No. 2) 6,864 4,138 Two Holmes's coupled 2,811 2,811 Two Gramme's (Nos. 1 and 2, one at least four feet long, a second mirror 20 feet distant a strong head-wind from south-east. We.