His coat of arms depicts the bomb. This was mentioned in a talk on Heraldry at the Society of Antiquaries of Newcastle upon Tyne in October 2014.
His medals came up for sale at Bonham's in January 2015.
Parish Notes
SUNDERLAND
Sir William Mills, bomb maker
Sir William Mills, creator of the Mills bomb, came from a shipping company in Sunderland.
Society of Antiquaries of Newcastle upon Tyne Bulletin October 2014
The British Library is preserving this site for the future in the UK Web Archive at www.webarchive.org.uk
Copyright 2013, North East War Memorials Project. Registered Charity No. 1113088
Another Effective Group Website