Font Size

100% 150% 200%

Background Colour

Default Contrast
Close Reset

All our staffed properties, sites and offices, including the HES Archives and Library, are currently closed, but we’re working on plans to gradually reopen. In the meantime, you can access our services online. Find out more.


Back to search

This term (which may be either singular or plural) applies within RCAHMS terminology to any vessel (demonstrable or suggested) which cannot be classified more accurately.

Classifications Linked Data resource