That is quite quick, actually…
.
Correctly English in Hundred Days by Min Hou and Lin Youtong (eds.), Shanghai: English Translation Advancement Society, Correctly English Society, 1934… ‘This book is prepared for the Chinese young man who wishes to served for the foreign firms. It divided nealy hundred and ninety pages. It contains full of ordinary speak and write language. This book is clearly, easily, to the Chinese young man or scholar. If it is quite understood, that will be satisfaction.”
(Thanks to Ada Nordkvist for the card featuring this book cover that arrived in the mail today… with a thoughtful followup note re: an interview I had with her last week).