What does the word instrumentation mean?

Usage examples for instrumentation

  1. Forests and fields began to utter a rushing sound as of torrents, always deepening, - made up of the instrumentation and the voices of numberless little beings: clangings as of hammered iron, ringings as of dropping silver upon a stone, the dry bleatings of the cabritt- bois, and the chirruping of tree- frogs, and the k- i- i- i- i- i- i of crickets. – Two Years in the French West Indies by Lafcadio Hearn
  2. If I knew the pure theory of my father's machine I could not design the instrumentation that would make it work. – The Fourth R by George Oliver Smith