. ydrogen Stereopticon. No. 708. Consisting of the Oxygen Apparatus, No. 700 ; two of the Oxy-Calcium Jets,No. 702; Dissolving Key and rubber-tube connections $50,00 By attaching No. 708 to a pair of the usual Dissolving-View Lanterns, they will be convertedinto an Oxy-Calcium Stereopticon. No. 709. Consisting of the Oxygen Apparatus, No. 700 ; two of the Oxy-Calcium Jets,House-Gas Attachment, No. 703 ; compound Dissolving-Key, and rubber-tube con-iiections $ By attaching No. 709 to a pair of the usual Dissolving-View Lanterns,
. ydrogen Stereopticon. No. 708. Consisting of the Oxygen Apparatus, No. 700 ; two of the Oxy-Calcium Jets,No. 702; Dissolving Key and rubber-tube connections $50,00 By attaching No. 708 to a pair of the usual Dissolving-View Lanterns, they will be convertedinto an Oxy-Calcium Stereopticon. No. 709. Consisting of the Oxygen Apparatus, No. 700 ; two of the Oxy-Calcium Jets,House-Gas Attachment, No. 703 ; compound Dissolving-Key, and rubber-tube con-iiections $ By attaching No. 709 to a pair of the usual Dissolving-View Lanterns, they will be convertedInto an Oxy-Calcium House-Gas Attachment Stereopticon. No. 710. Afgiai Sii Dliiil?iag-¥l©w Appmtii, Consisting of two Argand Gas Burners, with nickel-plated Eeflectors ; Dissolv-ing-Key ; 12 feet india-rubber tubing, to make the necessary connections with GasFixture and Dissolving-Key. $ By attaching No. 710 to a pair of the usual Dissohing-View Lanterns, they will be convertedInto a Parlor Dissolving-View Apparatus. See No. Those using the unmounted Square Glass Views, have been heretofore subject-ed to much inconvenience for the want of some suitable contrivance to support th«Views in the proper position in front of the Condensing Lenses, and cause them tosucceed each other without any interruption; besides the great risk of breaking theViews. T. H. McAllisters Combination Carrier eflfectually overcomes all these difficul-ties, and enables the unmounted views to be uBed with facility and safety. The Carrier is designed to hold and center either of the Standard sizes of squareviews. 8top No. 1, will center those of the usual English pattern, (3iX3i inches).Stop No. 2, is adapted for those of the French pattern. f3^V4 inches), and Stor> Nfi-3 is adjusted for views on glass S^X^i inches ?••.50c 44 Geo. H. Pierce, Philadelphia, Pa.
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectproject, bookyear1888
