The overlays that highlight 17th century London features are approximate and derived from:
Open location in Google Maps: 13.193887, -59.543190
"Barbados was the seed crystal for the slavery regimes of the Restoration colonies.... In 1661, almost exactly at the moment that the strong Restoration push to establish slavery on the mainland was getting under way, Barbados became the first English colony to legislate extensively on slavery....[esp. with the landmark] Act for the Better Ordering and Governing of Negroes (1661), considered "absolutely Needful for the publique Safety.  " This Act served as the template for similar Acts in other Restoration colonies as far north as New England. E.g., in South Carolina "in 1669/70...a mixed expedition of English and Barbadian adventurers established continuous settlement under the sponsorship of [Samuel Pepys' nemesis] proprietor Anthony Lord Ashley (later the Earl of Shaftesbury).....[T]he Barbadians insisted [lands] should be granted to importers of 'negroes as well as Christians.' Ashley had also drafted (with the assistance of John Locke, his secretary) the "Fundamental Constitutions of Carolina," which confirmed in the course of establishing religious toleration that Carolina slaveholders would enjoy the same absolute power over their slaves that Barbados' "better ordering" statute had guaranteed. ...Carolina's first general statute,An Act for the Better Ordering of Slaves [February 1690/91, a] version of the Barbadian Better Ordering Act of 1661.400]
("Transplants and Timing: Passages in the Creation of an Anglo-American Law of Slavery," Christopher Tomlins, University of California, Irvine, Legal Studies Research Paper Series No. 2012-24, 2009) http://papers.ssrn.com/sol3/papers.cfm?abstract_i…
Since many Scots were present on Barbados, one way or tother, I found it interesting to see how early the University of Glasgow began to receive endowments from Scots trading families involved in the Caribbean and therefore slavery.
Cambridge and Oxford are currently reviewing their records and similar reports to this should be forthcoming during the early 2020's.
The lack of endowments during the Diary years and for decades afterwards indicates to me that income from slavery-related undertakings was at that time tenuous and formative.
Chart showing the number of references in each month of the diary’s entries.