Pathogenic mutation. p-a rare allele that exist at a frequency of less than .01 in the human population. v- a change in DNA sequence that may or may not be pathogenic. patho- change in DNA sequence that has an effect on the encoded protein of gene expression that results in disease.
In the fall of 1791, Washington learned of the newly patented automated milling system invented by Oliver Evans. Evans received U.S. Patent #3 for his groundbreaking system, which moved wheat and flour throughout the mill without the need of manual labor. Washington purchased a license for the patent and had the milling system installed in his gristmill. Today, this milling system is faithfully interpreted, fully-functioning, and open to guests on a seasonal basis.
Salter Brecknell Scales and Weighing Equipment. More than 200 years ago Richard and William Salter created the first spring balance. In doing so they have founded one of the most respected names in the weighing industries, SALTER. Salter has remained a leader in the weighing industry throughout the years, and will continue to bring you top of the line products with the latest technology available. General Purpose. Industrial Scales.