John Fry Heather

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

Year unknown

A treatise of mathematical instru...

A treatise of mathematical instruments ... in which their construction and the methods of testing, adjusting and using them are concisely explained

Year unknown

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

Year unknown Peter Barlow, Willis, Robert, and John Fry Heather

Mathematical instruments

Year unknown

Mathematical Instruments : Their Construction, Adjustment, Testing and Use

Year unknown

Treatise on Mathematical Instrume...

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

Year unknown

Treatise on Mathematical Instrume...

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

Year unknown