John Fry Heather

1886

• A Treatise on the Strength of Timber, Cast and Malleable Iron, and Other Materials
• An Elementary Treatise on Descriptive Geometry, With a Theory of Shadows and of Perspective
• Mathematical instruments
• Mathematical Instruments : Their Construction, Adjustment, Testing and Use
• A treatise of mathematical instruments ... in which their construction and the methods of testing, adjusting and using them are concisely explained
• 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
• Treatise on Mathematical Instruments, Including Most of the Instruments Employed in Drawing, for Assisting the Vision, in Surveying and Levelling, I