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View A treatise on spherical trigonometry, by W.J. M'Clelland and T. Preston By William John M 'Clelland,Thomas Preston 
A treatise on spherical trigonometry, by W.J. M'Clelland and T. Preston
By William John M 'Clelland,Thomas Preston
View A treatise on spherical trigonometry, by W.J. M'Clelland and T. Preston By William John M 'Clelland,Thomas Preston 
A treatise on spherical trigonometry, by W.J. M'Clelland and T. Preston
By William John M 'Clelland,Thomas Preston