LABORATORY SUPPLIES AND CHEMICALS 



301 



4060 



4062 



4063 



4058 TRIPODS, brass, for alcohol lamp 



4060 TRIPODS, of malleable iron, for Bunsen burners, single ring, much more ser- 

 viceable than cast iron. 



Diameter of ring, inches 5 6 8 10 12 



Price, each $0.35 .40 .55 .75 1.00 



4062 TRIPODS, of malleable iron, very durable, with rings. 



Diameter of largest ring, inches 5 6 8 10 12 



Number of rings 2 3 4 5 6 



Price, each $0.45 .60 .75 1.25 1.60 



4063 TRIPODS, Iron, with easily removable legs, occupying the minimum of space 



when packed away, at the same time excel in strength and rigidity during 

 use. 



Ring outside, inches 5 6 7^j$ 



Each $0.25 .35 .50 



ill.!. 



! 



4064 



4070 



4071 (a) 



4064 



15 



TROUGHS, glass. 



Length, inches .................. : .................. 8 10 12^ 



Width, inches ...................................... 46 8 9y 2 



Height, inches ..................................... 4 -5 6 7 



Each .......................... . ................... $3.00 3.75 6.50 10.00 



4070 TROUGHS, Pneumatic, of zinc, with sliding shelf and overflow. 



Size, inches ............................ ._ ....... 5x9x12 6x11x15 8x12x18 



Each .................................... " ........ $1.60 2.20 2.40 



4071 TROUGHS, Pneumatic, of tin, well japanned, with shelf and overflow, for stu- 



dents' use ; size, 10x6x4 inch ....................................... $1.00 



4071 (a) TROUGHS, Pneumatic, container supports, or so-called "Bee Hives." These 

 are used as a support for the inverted receptacles. 



Diameter, inches ............................................. 3 4 



Glass ........................................................ $0.40 .50 



Zinc .30 .35 



