Michael. in a little iron plate business which has. 100 years later. grown into a national organization with plants in Indiana. Delaware. Oklahoma. Texas. and California. Two years after the start of this little backyard shop in Pittsburgh. oil was discovered in western Pennsylvania. Almost overnight. the Graver shop became a regular supplier of tankage. The Graver brothers. trained to oldworld standards of workmanship by their father. a boilermaker who had emigrated from Germany. early gained a reputation for craftsmanship that has stood untarnished for a century. Relying on native ingenuity to solve problems. the infant industry of tankbuilding flourished with the oil industry. However. this stream of prosperity and success was suddently dashed by the great panic of 1883.
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emigrated