...and wipe them clean and dry, and warm them a little by the Fire, if the Weather be cold, to pre vent their Cracking when applied to the Flame of the Candle ; then draw one of them gently, according to its 婦 hole Length, through the Flame, and Part of the Smoke 婦 ill adhere to the Glafs,; repeat the...

...directions:— " Provide two pieces of glass, of convenient length, not too thick (common crown glass will do) wipe them clean and dry, warm them a little by the...according to its whole length, through the flame, and part of the smoke will adhere to the glass. Repeat the same operation, only leaving a little at...

...as she is, io some lituations, visible even at mid-day. 1818.] Annular Eclipsç of the Sun. 257 Wann them a little by the fire (if the weather be cold)...gently, according to its whole length, through the flame ; and part of the smoke will adhere to the glass. Repeat the same operation, only leaving a little...

...glass of a convenient length, not too thick (the common crown glass used for windows will do as well at any) ; wipe them clean and dry; warm them a little...according to its whole length, through the flame, and part of tin- smoke will adhere to the glass. Repeal the same operation, only leaving a little part...

...fire (if the weather be cold), to prevent their cracking when applied to the flame of the caudle ; then draw one of them gently, according to its whole length, through the flame, and part of the smoke will adhere to the glass. Repeat the same operation, only leaving a little part...

...the disk of the sun, than any tinged or coloured glasses will do. Provide two pieces of glass of a convenient length, not too thick (the common crown...according to its whole length, through the flame, and pajt of the smoke will adhere to the glass. Repeat the same operation, only leaving a little part...