 However, sales to UK and overseas hospitals were poor and the machine was finally withdrawn in 1979 and the Sonicaid project in Livingston closed.Brown's foresight in the design of the "Multiplanar Scanner" machine was admirable and it was a step in the right direction but at the time computing resources were meagre, being insufficient to achieve the desired results.Brown was unable to find any further work in the medical instrumentation industry and decided to move back to working in the oil and gas industry where he worked until 1998.