6A
ANALYTICAL
CHEMISTRY
LINDBERG MUFFLE FURNACES MOW
with a new,
fully A utomatic Pyrometer Controller
Modern,
Electronic, Exact and Reliable
A complete, self-contained indicating pyrometer and controller. Consists of two detachable plug-in units, one containing the measuring system, the other the electronic control system, all assembled in a neat metal protecting case for either flush or surface mounting.
Uses a new improved vacuum tube (type 7N7) available in any modern electric or radio shop. We have in stock both sizes of Lindberg Muffle Furnaces equipped with this control as follows;
No. 71846A Furnace, Lindberg, Model B-2 with 291 Pyrometer Controller for operation on 115/230 volts 60 cycle A.C each $360.00 No. 71846B Furnace, Lindberg, Model B-6 with 291 Pyrometer Controller for operation on 115/230 volts 60 cycle A.C each $475.00 Inside Muffle Dimensions, inches Length Width Height 71846A—B-2 10M 4^ 4 71846B—B-6 14J4 l'A 5V2 Complete details on request.
Ask for Bulletin PC-546.
y.
CHICAGO APPARATUS COMPANY
««• - *
1735 NORTH ASHLAND AVENUE
CHICAGO 2 2 , ILLINOIS
