PROPAGATING-FRAMES. 



47 



49. Propagating-oven. 



through the box. A lamp, D, supplies the heat 

 funnel of tin, e e, distrib- 

 utes the heat evenly. 

 Holes should be provided 

 about the bottom of the 

 box to admit air to the 

 flame. A modified form 

 of this device is shown in 

 Figs. 50 and 51. The 

 water tray, G, slides in 

 upon ledges, so that it 

 can be removed, and the 

 heat funnel, L D L, slides 

 in similarly and is made 

 to surround the flame like a chimney. The front side of 



Vthe apparatus is remova- 

 ble, and the top of the 



frame, K, is made of 

 metal. The cover for 

 this apparatus is shown in 

 Fig. 51. The ends,fl, 

 are made of wood, with 

 openings, indicated by 

 the arrows, to allow of 

 50. Modified form of Fig. 49. ventilation. The front 

 and top, g g> are made of glass. The frame-work, c c c, 

 is made of metal. The cover is hinged on, or held with 



pegs, 1 1, Fig. 50. 

 Chauviere' s 

 propagating- 

 oven, a French 

 apparatus, is 

 shown in Fig. 

 52. It is essen- 

 tially a minia- 

 ture greenhouse. The sashes are seen at c c, and over 

 them is a cloth or matting screen (shown at the right). 



51. Cover for Fig. 50. 



