1887 Fla. Laws 164-165, An Act to Establish the Municipality of Jacksonville Provide for its Government and Prescribe its Jurisdiction and Powers, chap. 3775, § 4.
The Mayor and City Council shall within the limitations of this act have power by ordinance to . . . regulate the storage of gun-powder, tar, pitch, resin, saltpetre, gun cotton, coat oil, and other combustible, explosive and inflammable material . . . .