"…knowing him, and something of his deeds, it was impossible not to believe in greatness. In that square figure was housed a spirit of grandeur, and with his massive heroism went gentleness and modesty, even humility. He had no need to proclaim his virtue, for history would be his spokesman."
Eric Linklater on Wavell.
It appears to be a 10 hour variable delay fuse, or part thereof. Here's one that' similar, a 6 hour type at the bottom of the linked page.
BombFuzeCollectorsNet.com - British fuzes and Pistols
'I do not think we can hope for any better thing now.
We shall stick it out to the end, but we are getting weaker of course, and the end cannot be far.
It seems a pity, but I do not think I can write more. R. SCOTT.
Last Entry - For God's sake look after our people.'
In memory of Capt. Robert Falcon Scott, Edward Wilson, Henry Bowers, Lawrence Oates and Edgar Evans. South Pole Expedition, 30th March 1912.