Bronze Age Gold from Wales

Black hardback file containing printed publications of the British Standards Institution relating to standards for coal sampling and analysis. File is split into eight sections entitled: 1. "British standard specification for the sampling and analysis of coal for export" (published December 1930) 2. "British standard specification for the sampling of large and run-of-mine coal" (published August 1933) 3. "British standard methods for the analysis of coal ash and coke ash" (published July 1936) 4. "British standard method for the determination agglutinating value of coal" (published September 1936) 5. "British standard specification for railway rolling stock material" "(published September 1929) 6. "Report on the sampling of small fuel up to 3in embodying some general prinipals of sampling" (published December 1930) 7. "British standard specification for the dimension of rivets" (published May 1927) 8. "British standard specification for the sampling and analysis of coal for inland purposes" (published July 1931).