Portrait oil painting on canvas, Clegg Samuel(1781-1861) by Morton Andrew, 1840, 76x63.5cm, ait, HL to L, free sketch background, in gilt frame, 103x90cm, signed trc: A Morton. Clegg Samuel was a gas engineer who adapted a new gas lighting system to cotton mills at Sowerby Bridge near Halifax. He was was engaged in the construction of gasworks and advised on the formation of new gas companies After losing all his money he worked for the Government of Portugal as a gas engineer from 1836 and reconstructed the Mint at Lisbon and executed other public works