Alexander was born in the Province of Quebec to John And Mary Ann Laing. The family moved to Essex County when Alex was a boy, and lived in Colchester Township. He married Margaret Catharine Jeffery in 1873, and they raised 7 children. He was the inventor of the Laing Planetarium, which is a tellurium; a moving model which depicts the orbits of the planets. It was patented in Canada in 1896 and in Detroit in 1897.
Alexander was born in the Province of Quebec to John And Mary Ann Laing. The family moved to Essex County when Alex was a boy, and lived in Colchester Township. He married Margaret Catharine Jeffery in 1873, and they raised 7 children. He was the inventor of the Laing Planetarium, which is a tellurium; a moving model which depicts the orbits of the planets. It was patented in Canada in 1896 and in Detroit in 1897.
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