John Gummere

An Elementary Treatise On Astronomy: In Two Parts. The First Containing, A Clear And Compendious View Of The Theory; The Second, A Number Of Practical

An Elementary Treatise On Astronomy: In Two Parts. The First Containing, A Clear And Compendious View Of The Theory; The Second, A Number Of Practical

An Elementary Treatise On Astronomy; In Two Parts. The First Containing A Clear And Compendious View Of The Theory; The Second, A Number Of Practical

A Treatise On Surveying, Containing The Theory And Practice: To Which Is Prefixed A Perspicuous System Of Plane Trigonometry. The Whole Clearly Demons

An Elementary Treatise On Astronomy; In Two Parts. The First Containing A Clear And Compendious View Of The Theory; The Second, A Number Of Practical