a: seismograph ~
b: ink printer

What:

"A seismograph is like a ink printer. It has a graph paper roll and a drum rotates the paper automatically when it prints. The seismograph machine is always kept switched on. When ever the tremors or Earthquakes are detected, the machine starts functioning automatically."


Useful?
Writer: Not Stated
LCC:
Where:
Date: Jan 20 2019 10:24 AM


No critique for this page.
Feel free to be the first


Please review the linked page for context.
If you can think of something better than this,
please add it to the database

Name:
required
Contact:
(email or url) optional
Topic:
Comment:

This is an anti-spam device. Are you Human?

If so, please click the circle next to 'Yes' to submit your comment