Technical snaps of Maracaibo and oil fields

Technical snaps of Maracaibo and oil fields, U.S. of Venezuela, S. America : also of Lancs., Northants & home. [Album of ca.200 captioned photographs of oil-drilling work in Venezuela (including refineries, gas plant, power station) and two plans; ca.35 photos of 'Boring & cementation work, Lancs. & Northants', '132K.V. Electrical Grid Scheme [in] N.W.England', 'Geological Excursions Edinburgh University' etc. Compiled by Scottish? cartographer for the Shell Oil Company. With 8p ts. account of his journey to, and first weeks in Venezuela in 1926; 3p ms. 'Description of Distilling Plant' following 'Visit to Curacao Refinery 16/6/27'; 4 postcards re Trinidadian oilfields; 2 postcards re Shap Pink Granite Quarry. 7 oilfield plans are shelved at MSL 105 (see below)]