I hired a manual laborer to re-shingle my roof.
I was talking to Bob about the noise made by my neighbours, when right on cue their music started thumping through the wall.
... and pickardevant came over with an Italian marqueshe, and was worne (as I remember) with the shorte Rownd hose, and the long canion by the worthy earle of Pancridge Alderman of lye, when I was a boye & long after and had yt bine in ...
Afterwards he ſhews how to make a Microſcope or Teleſcope of any two (or more) given ſpecula or lentes, or of a ſpeculum and lens, which ſhall magnifie in any given ratio, and be fitted to any given Eye: Where alſo all the poſſible Combinations of ſpecula and lentes are univerſally coſidered, and the way of reckoning the Power of Catoptrical or Dioptrical or Cata-dioptrical Machines is explained; with the way how to make a ſingle Lens, which ſhall produce the forementioned effects.[…]I applied ſome of theſe lentes to a hole in a darkned Room, and found they rendred the Images of Objects with but an indifferent diſtinctneſs.[…]I have tried what would be the ſucceſs of Combining Portions of Water by the help of Braſs Rings, and plain pieces of Glaſs, to give them their true Figure and requiſite apertures, and inſerted them at the ends of Tubes of ſevearl lengths; and find, that tho’ theſe natural lentes may ſerve as Eye Glaſſes, yet when uſed as Object ones either to Teliſcopes or double Miſcroſcopes: their Effects will not compenſate the trouble there is in uſing them.
アカウントを持っていませんか? 新規登録
アカウントを持っていますか? ログイン
DiQt(ディクト)
無料
★★★★★★★★★★