878 SEC. 19. EDUCATIONAL APPLIANCES. 



4384. Cooling Apparatus, glass. 



4385. Set of 7 Cork Borers, in brass. 



4386. Bunsen Burner, with stand. 



4387. Seven Burette-holders, three rings, chimney, retort. 



4388. with regulator. 



4389. with regulator and stop-cock. 



4390. with three pipes. 



4391. with seven pipes. 



4392. with twelve pipes and tripod. 



4393. Gas Stove, with seven burners and stop-cock. 



4394. Three Glowing Lamps, according to Maste. 



4395. Blow-pipe Case. 



4396. Pipette Stand, of polished wood ; porcelain stand. 



4397. Polished Revolving Reagent Bottle Frame, to 



hold 36 bottles. 



4398. Unpolished Reagent Bottle Frame, according to 

 Llandolt's, with 18 bottles. 



4399. Crucible Tongs, of brass. 



4400. Series of Glass Funnels, Bunsen's shape. 



4401. Copper Water-bath, 9-inch. 



4402. Copper Water-bath, on tripod. 



4403. Constant Level. 



E. Lei/bold's Successors., Cologne. 



4404. Hestermann's Technological and Physical 

 Science Apparatus: 



4405. Flax and its applications. 



4406. The Cotton Plant and its use. 



4407. Wool and its application. 



4408. The Honey Bee and its industry. 



4409. Leather, its preparation and employment. 



4410. Silk, its production and application. 



4411. Paper, its manufacture and use. 



4412. Glass, its manufacture and employment. 



4413. Illuminating and Heating Materials, their pro- 

 duction and use. 



