Chinese unknown cameras

At:

https://vk.com/stariefotoapparati?z=photo-34301331_456255750%2Fwall-34301331_70547

One can see the future translation to Russian from Niken Vorojittski
The extremely interesting "Collection of Chinese Photo Cameras and Their Descriptions" originally in Chinese from Wang Shiyuan.

http://www.ussrphoto.com/UserContent2/382019_chinese Zenits.png

Hello Luiz,
which Chinese secret service cameras are included in the book?
Detlev
PS Please correct your email address

I don't Know. all I know is about the published site.
As we see, pubilcation depends on the end of translation, and cost will be known after 2/3 full translation.
I am following posts.
The book will have 250 pages.
Regards
LP

I don't think either of them are as "pretty" as the original russian ones.