TOM LLOYD, “Moussakoo,” circa 1968 (aluminum, light bulbs, and plastic laminate, each approximately 35 × 33 × 15 inches; Overall dimensions variable). | Studio Museum in Harlem, Gift of The Lloyd Family and Jamilah Wilson 1996.11. Photo: John Berens   FOR THE LONG-AWAITED DEBUT of its first purpose-built space last fall, the Studio Museum in...