These occasional comments are mostly additions to the book Water Transport in Brick, Stone and Concrete (Third Edition published in 2021), written with W D Hoff. Some are afterthoughts and clarifications, others new unpublished results. There also some notes on other publications.
Please send any responses to Christopher.Hall@ed.ac.uk
NQ1 Water absorption into a short bar
NQ3 Water vapour permeability: Errors in BS EN ISO 12572:2016
NQ5 The volume of an out-of-true block
NQ6 Capillary imbibition, trapped air and barometric pressure
NQ7 Seven long years: Extended test of the Gummerson effect in Clipsham limestone
NQ8 Wetting and drying strain in four English building stones
NQ9 The solubility of gypsum in water
NQ10 Micrographia, Ketton limestone and porosity