<p style="font-size: 12px;color:#aaa;">版权引用：<a href="https://avopix.com/photo/383871-illustration-of-11-representations-of-inventions-such-as-sewing-machine-barometer-and-compass-1869-ndash-1882-by-monogrammist-w-h-v-original-from-rijks-museum-original-from-the-rijksmuseum"><span style="font-size: 12px;color:black;">“Illustration of 11 representations of inventions such as sewing machine, barometer, and compass (18691882) by Monogrammist W.H.V. Original from Rijks museum. Original from The Rijksmuseum.”</span> </a>由 <a href="https://avopix.com/author/photos/rijksmuseum-source"><span style="font-size: 12px;color:black;">Rijksmuseum (Source)</span></a> 授权许可 <span><a href="https://creativecommons.org/publicdomain/zero/1.0/deed.zh" target="_blank" style="font-size: 12px;color:black;">CC0 1.0 Universal Public Domain Dedication<img src="" style="display: inline-block;height: 16px;width: auto;"></a></span></p>