In these days of learning it therefore appears strange to find any one advocating the possible use of specula or reflecting mirrors for the purposes of offence or defence, but M.
As mentioned above the anterior commissure laryngoscope and the esophageal specula make very efficient pleuroscopes; but three different forms of pleuroscopes have been devised by the author for pleuroscopy.
I do not know whether before that the Abbe Rochon had thought of using the metal Platina for the specula telescope.
It also admits of as perfect a polish as the metal hitherto used for the specula of telescopes.
Professor Simon, of Heidelberg, was the inventive genius of this improved method of examination, by means of a series of graded specula or hard rubber bougies, which are known by his name.
I exhibited to him my apparatus for obtaining sound castings of specula for reflecting telescopes.
He would sit down in my workshop, and see me go through the various technical processes of casting, grinding, and polishing specula for reflecting telescopes.
A Method of castingSpecula for Reflecting Telescopes, so as to ensure perfect Freeness from Defects, at the same time enhancing the Brilliancy of the Alloy.
As I had all the means and appliances for casting specula at the factory, I soon had the felicity of embodying all my former self-acquired skill in this fine art by producing a very perfect casting of a ten-inch diameter speculum.
I had also the pleasure of assisting other astronomical friends, by casting and grinding specula for them.
Of the various aural specula employed, Gruber’s is very good (Fig.
Various forms of specula are made to keep the lashes out of the field of operation; of these, a modification of Lang’s is perhaps the best (Fig.
This artifice of a double melting is often had recourse to, and especially in casting the alloys for the specula of telescopes.
Having purchased the apparatus of a Quaker optician, he set about the manufacture of specula with a zeal which seemed to anticipate the wonders they were to disclose to him.
Of Mr. Lassell's speculasomething has already been said.
His ardent desire to measure and gauge the stupendous array of worlds which his specula revealed to him, made him continually intent upon adding to their "space-penetrating power" by increasing their light-gathering surface.
In the course of twenty-one years no less than 430 parabolicspecula left his hands.
We have little difficulty in recognizing among the instruments found in Pompeii three of the vaginal specula referred to in these passages.
His writings on light, Perspectiva and Specula mathematica, are included in his Opus majus.
He made 430 parabolic specula in twenty-one years.
He studied science when he could, and hired a telescope, until he learnt to make his own specula and telescopes.
During the last half century excellent specula have been made of silvered glass, and Dr.
From a similar mixture the best metallic specula are cast at present.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "specula" in a variety of sentences. We hope that you will now be able to make sentences using this word.
