Barographs
Precision Instruments for measuring
atmospheric pressure over a period of time.
Driven by mechanical (clockwork) mechanisms which turns the drum which carries
a paper sheet under a pen / stylus. Changes in pressure cause the pen to
move up and down
the paper as it rotates, the resulting trace shown barometric pressure changes
over many Hours or days.
Prices and details as shown



| Home | Clothing | Industrial | Electronics | Photographic | Tents & Accessories | Horology | Contact Us | FAQs | Links |