<i>Title:</i> Pendulum or oscillating clock mechanisms, showing escapement mechanism, curved metal strips to check swing of pendulum, and clock with pendulum and weights
<i>Abstract/medium:</i> 1 print : engraving.
Miscellaneous Items in High Demand, PPOC, Library of Congress
1673
<p>Library of Congress
</p>
<ul><li><i>Catalog:</i> <a rel="nofollow" class="external free" href="https://lccn.loc.gov/92518604">https://lccn.loc.gov/92518604</a></li>
<li><i>Image download:</i> <a rel="nofollow" class="external free" href="https://cdn.loc.gov/service/pnp/cph/3b40000/3b41000/3b41400/3b41490r.jpg">https://cdn.loc.gov/service/pnp/cph/3b40000/3b41000/3b41400/3b41490r.jpg</a></li>
<li><i>Original url:</i> <a rel="nofollow" class="external free" href="https://www.loc.gov/pictures/item/92518604/">https://www.loc.gov/pictures/item/92518604/</a></li></ul>