9. Ufarey's Triple Jet, alcohol, concentric and mixed (see 



Manual, p. 158) 815 00 



Without alcohol fountain 12 00 



10. THE LIME-LIGHT SCIOPTICON, complete. Including 



triple jet and clamp, and the automatic cut-off, with its 

 peculiar slide carrier (see Introduction, p. ix, and Manual 

 pp. 161,168) 50 00 



11. Same as No. 10, but without the alcohol fountain 47 00 



12. AVtweas No. 11. but without the cut-off. 42 00 



13. Both the Oil Sciopticon No. 1, and the Gas Sciopticon No. 



10, all complete, hut with only one set of lenses (see Intro- 

 duction, p. xi) 70 00 



14. Same as No. 13, but without alcohol fountain 67 00 



15. Dissolving Cock, with screws to adjust to either mixed or 



concentric Jets (see Manual, p. 171) ". 1200 



16. Dissolving Cock, for alcohol burners 600 



GAS BAGS, G E3TER ATORS, ETC. 



II. India-Rubber Bag, best quality, 30 inches long by 24 inches 



wide, with large stop-cock 10 00 



18. India-Rubber Bag, best quality, 40 inches long by 30 inches 



wide, with large stop-cock 14 00 



19. India- Rubber Bag, large size wedge, best quality, 40 



Inches long by 30 inches wide, with large stop-cock 18 00 



20. Pressure Boards (generally Improvised see Manual, 



p. 175) 3 00 



21. Retort and cap, wash-bottle and connections (see Manual, 



p. 173, Fig. 46, 6, c, d, e,f} , 7 00 



22. Gas Furnace (see Manual, p. 173, Fig. 46, a) 2 CO 



23. Alcohol Lamp, with three wicks, for heating retort, etc. 



(common stove often used instead) 1 00 



24. Same as No. 21, but of extra size, for gasometer, described in 



Manual, p. 182 9 00 



25. Five-gallon Hydrogen Generator (see Manual, p. 175, Fig. 



47, a, 6, d, ej) 7 00 



26. Ten-gaLon Hydrogen Generator, for gasometer (boxing 



included, as usual) 9 00 



27. Self-condensing Oxygen Gas Cylinder, with gauge and 



wrench (see Manual, p. 170) 45 00 



28. Self-condensing Hydrogen Gas Cylinder, with gauge and 



wrench 60 00 



29. Pair of Self-condensing Cylinders, same as Nos. 27, 28 100 00 



30. Rubber Tubing, per foot 25 



