...the ihadow appeared to be of two different denfities ; for the two extremii ties of the fhadow, in the direction of the length of the cylinder, were terminated by two dark ftrokes, a little more than a line in breadth. Within thefe dark lines there was a faint light, equally...

...diftav.ce oí 23 inches from it. At ac greater diftance the fhadow appeared of two different denfities ; for its two extremities, in the direction of the length of the cylinder, were terminated by two dark ftrokes, a little more than a line in breadth. Within thefe dark lines there was a faint light, equally...

...diftance the fhadow appeared to be of two different denfities ; for the two extremities of the fliadow. in the direction of the length of the cylinder, were terminated by two dark ftrokes, a little more than a line in breadth. Within thele dark lines there was a faint light, equally...

...distance of 23 inches from it. At а [ц,^.,^ greater distance the shadow appeared of two different densities; for its two extremities, in the direction...dark lines there was a faint light, equally dispersed tkrough the shadow, which, formed an uniform penumbra, much lighter than the dark strokes at the extremity,...

...distance the shadow appeared to be of two different densities; for the two extremities of the shadow, in the direction of the length of the cylinder, were...by two dark strokes, a little more than a line in brendth. Within these dark lines there was a faint light, equally dispersed through the shadow, which...

...distance the shadow appeared to be of two different densities ; for the two extremities of the shadow, in the direction of the length of the cylinder, were...equally dispersed through the shadow, which formed a uniform penumbra, much lighter than the dark strokes at the extremity or than the shadow received...