Purely English-to-Persian (one-way dictionary; no Persian-to-English section). Approximately 25,000–30,000 headwords, making it one of the largest English–Persian dictionaries of its era.Entries give the Persian equivalent in Persian script + Roman transliteration, followed by short explanations when necessary.Strong emphasis on colloquial and administrative vocabulary of Qajar-era Persia and British India: trade terms, legal and revenue words, military ranks, titles of nobility, weights & measures, coinage, post-office terms, telegraph words, railway and steamship vocabulary.Includes many Indian English and Anglo-Indian words that were current in the 1880s (e.g., “compound”, “punkah”, “tiffin”, “durbar”, “ryot”).Scientific and technical terms of the period (botany, medicine, chemistry, engineering) are surprisingly well covered for the time.Proper names: biblical, historical, and common European first names with Persian renderings.