Two sections of port-fire (slow burning fuse used to fire rockets) from the 1845 British Northwest Passage Expedition led by Sir John Franklin. One section is half the size of the other and has been pinned to it. The two sections are made with rolled paper.

The sections of port-fire were found at the boat site in Erebus Bay by Captain F. L. McClintock's sledge team on 30 May 1859, as part of the search expedition led by McClintock The site had been visited and partially investigated by Lt. William Hobson on 24 May but his report does not list everything he saw or removed. McClintock records ’small piece of a port-fire'. [McClintock, Voyage of the Fox (1859), page 366].

The port-fire was displayed at the Royal Naval Museum, Greenwich, Case 2, No. 38. 'Portfire'. The item is shown in - 'Stereoscopic slides of the relics of Sir John Franklin's Expedition' photographed by Lieutenant Cheyne RN, at the United Services Museum, Whitehall, No. 7 (top, left corner next to the knife sheath with its own unreadable label).