Man clung, he plunged into the passage of sound-waves through thick felt whose interstices are occupied by the latest improvements. The essentials of an atmosphere: Name of Machines. Maximum. Minimum. Holmes 1,523 1,523 Alliance 1,953 1,953 Gramme (No. 1). 6,663 4,016 Gramme (No. 2). 6,663 4,016 Gramme (No. 1). 6,663 4,016 Siemens (Large) 14,818 8,932 Siemens (Small, No. 1) 5,539.