The phrase "whole apparatus" refers to the complete system or set of equipment needed to perform a task or achieve a goal. It implies that all the necessary parts and components are included and are working together. Full definition
«Auction houses are going to find it difficult to compete with dealers, whose whole apparatus is looking after artists and artists» estates,» he said. (nytimes.com)
«Auction houses are going to find it difficult to compete with dealers, whose whole apparatus is looking after artists and artists» estates,» said Gorvy. (artforum.com)
Get one wrong, and you might jam up the whole apparatus. (entrepreneur.com)