If you find a scanned PDF, treat it as a preview. If you genuinely design transformers for a living, buy the physical copy. The tables in the appendix (wire gauges, insulation thicknesses, core lamination sizes) are worth the cover price alone.
Note: Please be cautious when searching for free PDFs on unknown file-sharing sites, as they often host malicious software or copyright-infringing material.
Disclaimer: This post is for informational purposes. Always respect copyright laws and purchase books to support authors like Indrajit Dasgupta.
Most transformer textbooks fall into two extremes: