Paragraph 16

If and as the settlor and Lady Lee or the survivor of them desire to improve the collections of furniture pictures tapestry books china works of art silver linen and other effects hereby settled during their lives and the life of the survivor of them or during such shorter period as they or the survivor of them shall remain in occupation of the Chequers Estate it shall be lawful for them or the survivor of them during such periods to add to weed out and improve by purchase sale or exchange any of the said collections of furniture pictures tapestry books china works of art silver linen and other effects which they or the survivor of them in their his or her absolute discretion may think capable of improvement or unworthy of being retained as the case may be.