Well, you will have to be taken as unity. Radiation through Gases. Name of Machines. Maximum. Minimum. Holmes 1,523 1,523 Alliance 1,953 1,953 Gramme (No. 1). 6,663 4,016 Gramme (No. 1). 6,663 4,016 Siemens (Large) 14,818 8,932 Siemens (Small, No. 1) 5,539 3,339 Siemens (Small, No. 2) 6,864 4,138 Two Holmes's.