CENTRAL SCIENTIFIC CO., CHICAGO, U. 8. A. 



495 



No. 13568. ^j.Lrg^H^H Ko ' 1358t No - 1359 - No. 13592. No. 13594. 



No. 13578. 



13568. THERMOMETER, Incubator, Solid Stem, Engraved Scale, with enlargement in stem to prevent 



slipping through hole in stopper. Length, about 20 cm. Range, 0" to 50 C., in 1 divisions 



.-- $2.50 



13572. THERMOMETER, Maximum Registering, XT. S. Weather Bureau Pattern, 12 inch, cylindrical 

 bulb, graduation etched on tube. The tub? is mounted on an aluminum scale on which is 

 marked every 5 degree line of the scale, and the figures every 10 degrees. Has brafs insulat- 

 ing support and binding screws. Approximate range, -30 to 120 F. With manufacturer's 

 certificate 7.20 



13574. 

 13578. 



THERMOMETER. Minimum Registering, U. S. Weather Bureau Pattern. Same general descrip- 

 tion as No. 13572. Mercury filled tube. With manufacturer 's certificate 6.60 



THERMOMETESS, Maximum and Minimum Registering, TJ. S. Weather Bureau Pattern. Same 

 thermometers as Nos. 13572 and 13J>74, but with special insulating support. Mounted on ma- 

 hogany finish back, 17x5 inches, with manufacturer's certificate for each thermometer. 



Per set 14.40 



13579. THERMOMETER, Maximum, only for No. 13578. With manufacturer's certificate 7.20 



13580. THERMOMETER, Minimum, only for No. 13578. With manufacturer's certificate 6.60 



13584. THERMOMETER, Maximum and Minimum Registering, Six's Pattern, in japanned tin ease 



with metal scale. Length, 8 inches; approximate range, 20 to 120F. Complete with 



horseshoe magnet for resetting 4.20 



13590. THERMOMETERS, Metal Scale, highest grade, with scale of oxidized brass in black japanned 



tin case. Length, 10 inches. No A B C 



Range, degrees F -20 to 120 to 220 50 to 350 



Each 1.25 1.25 1.50 



13592. THERMOMETER, Metal Scale, with Copper Cup, highest grade, for determining the average 

 temperature of oil or other liquids in tank ears or tanks and securing a sample at the same 



time. Bange, 10 to 220 F. Length, 12 inches 3.30 



13594. THERMOMETER, Metal Scale, Sugar Factory, standard grade, with magnifying tube filled with 

 mercury, silvered brass seale with black figures, and brass screw clamps. Bottom of copper case 

 is closed to permit samples to be taken. Length, 12 inches. Bange, about to 150 Centi- 

 .e 



grade 



2.75 



THERMOMETERS, Metal Frame, Straight and Angle Stem, for steam boilers, water heaters, oil 

 stills, etc. Send for special bulletin. 



