No Scale. Plan showing (on the left) a plan of the magazine, Lieutenant's cabin and store room for Sparkler (1797), a 14-gun Gunboat, as fitted. The right side shows the same area with proposed alterations to the position of the magazine by Lieutenant William Walker [Seniority: 3 August 1793]. The proposed plan was "Not Approved" and Initialled by John Henslow [Surveyor of the Navy, 1784-1806].

Signed by Edward Tippet [Master Shipwright, Portsmouth Dockyard, 1795-1799]