W. F. White 2f225b
When paint crawls it is because there is not sufficient adhesion between the undercoat and the new coat, caused usually by too much gloss on the undercoat. To prevent crawling subdue the gloss on the undercoat by sandpapering, rubbing, or by the application of some material which will have the desired effect; or, if on the outside, wait until the g.. y4e4s
Royal Geographical Society 62z6v
The minimum requirement of instrumental observations by a traveller is the reading twice daily of the barometer and of the dry and wet bulb thermometers, to ascertain the temperature and humidity of the air, also the reading once daily, in the morning, of the minimum thermometer which has been exposed all night, and on days in camp of the maximum t..
Emma Elizabeth Thoyts 4g556g
Just ten years ago this little volume made its first appearance. Although many books on similar subjects have been written in that time, none have exactly given the same information, and this second edition has been decided upon. Additions and corrections to bring the book up to date have been made, but much still remains, and must remain, imperfec..