[Piscataqua Harbour and Portsmouth]There are three variants of this chart in the collection.<br>
HNS 106A [Piscataqua Harbour and Portsmouth]
<div class="fn value">
Des Barres; Joseph Frederick Wallet Des Barres</div>
1779<div style="display: none;">date QS:P571,+1779-00-00T00:00:00Z/9</div>
<a rel="nofollow" class="external free" href="http://collections.rmg.co.uk/collections/objects/542199">http://collections.rmg.co.uk/collections/objects/542199</a>