Wooden box containing relics of H3 removed during the restoration of 1924-31. Contents include four anti-friction pins in a card envelope; a piece of card with balance cross-wire material threaded through it; a small plastic bag with thirty-five pieces mostly relating to pallet design and to the balance axial wires; and fourty-four small pieces, mostly of uncertain origin, but including two quadrant segments sawn from the rear caged roller bearing cover, in order to display its construction.