C. S. & E. 
SMALL ELECTRIC INCUBATORS 
20558. C. S. & E. No. 11 Incubator 
20560. C. S. & E. No. 3 Incubator 
20562. C. S. & E. No. 2 
Incubator 
The walls of these Incubators consist of five ply wood, tar paper, animal 
hair and transite. No water jacket is used and the C. S. & E. electric thermo- 
stat maintains a constant temperature within with no attention after adjustment 
is once made. No special switch or wiring is necessary as the Incubators oper- 
ate on any no volt alternating or direct circuit by screwing plug into ordinary 
lamp socket, and will operate on 220 volt alternating or direct circuit by simply 
changing the voltage of the lamp heaters. 
We offer these Electric Incubators in three small sizes at the following re- 
markably low prices : 
20558. C. S. & E. No. 11 Electric Incubator, with inside dimensions 15 inches high by 12 inches 
wide by 12 inches deep. With double door, inner one of plain glass. Heated by three 
8 C, P. lamps $35.00 
20560. C. S. & E. No. 3 Electric Incubator, with inside dimensions 12 inches high by 9 inches 
wide by 7 inches deep. With single door fitted with blue glass. Heated by two 8 C. 
P. lamps $20.00 
20562. C. S. & E. No. 1 Electric Incubator, with inside dimensions 9 inches high by 7 inches 
wide by 7 inches deep. With single door fitted with blue glass. Heated by one 8 C. P. 
lamp $15.00 
The above Incubators may also be used as Paraffine Embedding Ovens for use at 56° C. and 
are all in our stock for immediate shipment under our absolute guarantee 
as to satisfactory performance. 
ARTHUR H. THOMAS COMPANY 
IMPORTERS - DEALERS - EXPORTERS 
LABORATORY APPARATUS AND REAGENTS 
WEST WASHINGTON SQUARE 
PHILADELPHIA, U.S.A. 
Always mention the JOURNAL OF BOTANY when answering our advertisements. 
