es of slides, so with for further particulars. 1 that a number of objects can be examined without mith 40' Qe having to stop for adjustment and focusing for each. SAFETY GAS BURNER. This instrument can be taken apart and packed in The object of an invention patented by Mr. George small space, and… … this strain into a strain parallel to each piece, and will soon be made, will be furnished by Mr. T. L. McALLISTER’S ILLUSTRATOR’S MICROSCOPE. another perpendicular to it. Then the strap which is McKeen, the patentee, Easton, Pa., and models of any standard maker can be attached toit. A patent…
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