div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=shutter-to-secure-various-areas-of-opening-when-the-opening-is-completely-closedhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: · shutter to secure various areas of opening When the opening is completely closed the microphone operates as a non-directional pressure microphone at the wide-open position loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421195e97e3c67539a547ae175ef7html5thumbnails1jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=shutter-to-secure-various-areas-of-opening-when-the-opening-is-completely-closedhtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: · shutter to secure various areas of opening When the opening is completely closed the microphone operates as a non-directional pressure microphone at the wide-open position loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421195e97e3c67539a547ae175ef7html5thumbnails2jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imageimg data-url=shutter-to-secure-various-areas-of-opening-when-the-opening-is-completely-closedhtmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: · shutter to secure various areas of opening When the opening is completely closed the microphone operates as a non-directional pressure microphone at the wide-open position loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421195e97e3c67539a547ae175ef7html5thumbnails3jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=4Page 4button div class=ts-imageimg data-url=shutter-to-secure-various-areas-of-opening-when-the-opening-is-completely-closedhtmlpage=4 data-page=4 class=ts-thumb lazyload alt=Page 4: · shutter to secure various areas of opening When the opening is completely closed the microphone operates as a non-directional pressure microphone at the wide-open position loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421195e97e3c67539a547ae175ef7html5thumbnails4jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=5Page 5button div class=ts-imageimg data-url=shutter-to-secure-various-areas-of-opening-when-the-opening-is-completely-closedhtmlpage=5 data-page=5 class=ts-thumb lazyload alt=Page 5: · shutter to secure various areas of opening When the opening is completely closed the microphone operates as a non-directional pressure microphone at the wide-open position loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421195e97e3c67539a547ae175ef7html5thumbnails5jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=6Page 6button div class=ts-imageimg data-url=shutter-to-secure-various-areas-of-opening-when-the-opening-is-completely-closedhtmlpage=6 data-page=6 class=ts-thumb lazyload alt=Page 6: · shutter to secure various areas of opening When the opening is completely closed the microphone operates as a non-directional pressure microphone at the wide-open position loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421195e97e3c67539a547ae175ef7html5thumbnails6jpg width=140 height=200 divdiv
