Sometimes the temperature does not decrease with height in the troposphere, but increases. Such a situation is known as a temperature inversion. Temperature inversions limit or prevent the vertical mixing of air.
Middle range machines can cost on average $400 and are often multi-function with copier and laser printer capabilities. Finally, high-end machines which offer high speeds, high capacity and high resolution come at a higher price-expect to pay $1000 - $2500 for such a fax machine.
Copies faxed to your fax machine location. Fee is $5.00 per page plus a $1.00 fax fee per order. Invoice will accompany your order and is payable upon receipt. For order forms or any other general information contact Cathy N. Addison at 610-344-5317. Note: Faxed copies of documents cannot be certified.