May 10, 1889 - John Miller applies for patent in New Zealand
“The following patents have been applied for…
John Augustus Miller, of Arrowtown, goldminer, for the saving of gold, silver, copper, tin, pyrites, or any other metallic ore, to be called ‘The Witness Gold and Ore-saving Apparatus'”.
Source: EVENING POST, VOLUME XXXVII, ISSUE 110, 10 MAY 1889, PAGE 2 (https://paperspast.natlib.govt.nz/newspapers/EP18890510.2.16)