Microcopying methods /
Verry, H. R.
Microcopying methods / H.R. Verry ; revised by Gordon H. Wright. - [London]: The Focal Press, [1967]. - 175 p. : ill. ; 25 cm. - The Focal library .
Includes bibliography.
Microfilms
Photocopying
686.4
Microcopying methods / H.R. Verry ; revised by Gordon H. Wright. - [London]: The Focal Press, [1967]. - 175 p. : ill. ; 25 cm. - The Focal library .
Includes bibliography.
Microfilms
Photocopying
686.4