div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imagea href=https:reader042fdocumentsinreader042viewer2022020522575067a11a28ab0f07ac6a45html5page1jpg target=_blank img data-url=documentaudibility-of-the-sound-of-firing-on-february-1-5796f5035616ehtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: Audibility of the Sound of Firing on February 1 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader042fdocumentsinreader042viewer2022020522575067a11a28ab0f07ac6a45html5thumbnails1jpg width=140 height=200 adivp©1901 Nature Publishing Grouppdiv