Here is an example of one Polyvaricon. This example is more complex and has [Four] sections/gangs and contacts/solder leads [and Two Trimmers]. A very basic polyvaricon may have only two sections (each with a Trimmer). Note the different values of the sections. Normally you will find that sections are in pairs with the same value. The center post (brass color) is the main tuning control which rotates all of the sections at the same time.