The capital of Scotland is not short on its share of monuments. There are some dedicated to the famous, such as The Walter Scott Monument. Others highlight the more nefarious, such as the Melville Monument commemorating Henry Dundas. Dundas was an 18th-century lawyer and politician involved with the slave trade. However, not far from these two towering creations, on one of the city’s most prestigious streets, is a minuscule model of a lighthouse with a working and revolving lantern. This happens to be the headquarters for The Northern Lighthouse Board….