Use OBS to organize your tradeshow appearance. As an exhibitor, please use your current order number and related password. As a registered prospective exhibitor, please enter your user name and password. Select an event and set up your user account. You can then book your stand space directly online. Besides, you can calculate and save the estimate for participating in the trade fair.

Future Proof Your Publishing Program. Open Book Systems, Inc. 21 Broadway, Suite 5. Rockport, MA 01966 USA. Customization of open source software. To bring you up to speed. Analyze, adapt, and streamline your publishing workflows to new technologies, such as Learning Management Systems. Convert, format, and distribute your digital content.

A group of avid amateur astronomers. A full report on our trip to the 1998 solar eclipse in the Caribbean. A brief report on our viewing of the 2004 transit of Venus. My adventures with amateur telescope making, including The Jiffy Focuser. I used to figure the mirror.

OBS Technology AS specializes in innovative solutions for pressure and flow control of gases and liquids for the oil and gas industry. Our regulators are widely known as state of the art with respect to functionality, reliability and durability. A wide range of regulators are available, covering a multitude of pressure settings and flow rates. We carry out repair, maintenance service and re-qualification of delivered products in accordance with internal procedures.