The state of the hearing organ in workers of the Klopfer apparatus

Cover Page

Cite item

Full Text

Open Access Open Access
Restricted Access Access granted
Restricted Access Subscription or Fee Access


The rationalization of telegraph business in our Union, the transition from the old Morse apparatus to the Klopfer apparatus, raised the question: if Klopfer is profitable in operational and economic terms, then is the transition to it rational from the point of view of the worker's health.

Full Text

Restricted Access

About the authors

N. A. Bobrovsky

Author for correspondence.
Russian Federation


© 2020 Bobrovsky N.A.

Creative Commons License

This work is licensed
under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

This website uses cookies

You consent to our cookies if you continue to use our website.

About Cookies