Every time a soundwave hits glass, the glass absorbs the frequency of the wave, commences to vibrate at exactly the same frequency and afterwards transmits that frequency to another aspect of the glass. One of the more very simple types of secondary glazing for leaded windows is a fixed insert. https://cosmetic-ipl-laser-gel22109.affiliatblogger.com/78439264/new-step-by-step-map-for-bespoke-secondary-glazing-in-mayfair