sentences:  As a result of the cost of building and a downturn in the sugar industry, only another were added until 1869 in the form of an extension from Spanish Town to Old Harbour at a cost of £60,000.After a period of decline, the new Governor Sir Anthony Musgrave agreed a deal in 1879 to buy the existing of the system for £93,932.After an investment and improvement programme, the expansion of the citrus and banana industries led to two extensions, extending the total system to