graphite pencil and charcoal, are "rarely on public display and were last seen in the UK over 50 years ago," the academy added. The exhibition of about 70 drawings seeks to address the ...

Water-soluble pencils tend to be softer than ordinary coloured pencils. Charcoal is a fast and responsive drawing media. It gives both soft and strong lines depending on how it is used.

The works, many made of ink washes, graphite pencil and charcoal, are "rarely on public display and were last seen in the UK over 50 years ago," the academy added. The exhibition of about 70 drawings ...