By A. H. Eschenfelder
The recognition of the 1st version of this e-book has been very pleasing. It confirms that there's a real desire for a textual content protecting the magnetic bubble expertise. we're happy that the readers have discovered that this ebook satisfies that desire. it's been used as a textual content for classes in either universities and undefined, and as a reference guide by means of employees lively within the box. to satisfy the necessity for extra copies of the booklet it appeared foremost to submit a moment version instead of basically a moment printing. there was a few major growth, even within the couple of minutes because the preliminary printing, and we needed to incorporate that. whilst we wish to supply the recent copies on the lowest attainable rate in order that they are extra simply got by way of scholars. therefore the recent version is in gentle disguise and the new development has been defined in a last bankruptcy instead of integrated into the unique chapters. This removes the rate of resetting and repaging the unique textual content. while updated references were extra and typographical blunders were corrected within the unique chapters. it truly is our desire that this version could be necessary to these with an curiosity within the attention-grabbing box of magnetic bubbles.