Show VI V to Order Equipment for Cor washing wa ci dilating circulating and keeping 1 the air all at nt the proper temperature tem teti- teti J c Is s installed In In buildings of t the National l Zoological park pa at m Wash h. h ington to protect the health of jUO animals and birds says sn s 's Popular Z fp- fp Magazine l In In most of the tha houses conditions like lIte those these e nf of mi nn Ideal Ideal June da day day are lire maintained with witha a temperature of OS GS degrees relative o humidity of 40 to 45 15 per pel cent and find rime tha he air all slowly moving mo Th The installation has hns ma made e possible then the safekeeping lit if animals that that- ordinarily o would not thrive In Iq American climate |