John Fry Heather

Mathematical Instruments : Their Construction, Adjustment, Testing and Use

Mathematical instruments

Treatise on Mathematical Instruments : Including Most of the Instruments Employed in Drawing, for Assisting the Vision, in Surveying and Levelling, in Practical Astronomy, and for Measuring the Angles of Crystals

An Elementary Treatise on Descriptive Geometry, With a Theory of Shadows and of Perspective

Treatise on Mathematical Instruments, Including Most of the Instruments Employed in Drawing, for Assisting the Vision, in Surveying and Levelling, I

A Treatise on the Strength of Timber, Cast and Malleable Iron, and Other Materials