118 



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



No. 2112. 



No. 2118. 



No. 2124. 



No. 2126. No. 2132. 



No. 2128. 



2110. BURNERS, Ring Form, with air regulator, to be attached to support by means of a right angle 

 clamp, such as No. 2914. 



No .- A B C D 



Diameter, inches 3 4 5 6 



Each $1.70 1.90 2.20 2.60 



2112. BUHNER, Roger's Ring, for heating platinum crucibles without bumping while evaporating 

 strong solutions. Flame is applied to upper part of crucible only. Complete with platinum 



triangle of No. 26 wire 7.50 



BURNERS, Soldering Iron Heater, simple construction, cast iron base, with Russia iron hood. 

 Total height, 6'/2 inches; extreme length, 14 inches. 



2114. For artificial gas 2.45 



2115. For gasoline gas 3.50 



2116. For natural gas 3.50 



Burners, Adjustable, for Use With Coal, Gasoline or 

 Natural Gas. 



2118. BURNER, Bunsen, with adjustment for air and gas. Height, 6 inches; diameter of tube, % 6 

 inch : 1.10 



2120. BURNER, Bunsen, adjustable, improved form. Height, 6% inches; diameter of tube, % 

 inch 1.70 



2122. BURNER, Bunsen, adjustable, same-as No. 2120, but without base. Length, 6% inches; dia- 

 meter of tube, % inch 1.50 



2124. BURNER, Boyce's Acme Safety, with adjustment for air and gas. Construction such that flame 

 cannot strike back. Height, 6% inches; diameter of tube, y w inch 1.65 



2126. BURNER, Boyce's Adjustable, with improved regulator for air and gas. One of the best low 

 priced burners for eoal, gasoline, or natural gas, as the tube is stationary, permitting all burner 

 attachments to be used with it to the best advantage .67 



2128. BURNER, Detroit Adjustable, for coal, gasoline and natural gas. Height, 6 inches; diameter of 

 tube, % inch 1.25 



2130. BURNERS, Teclu's, with regulator for air and gas, furnishing a very large and hot flame. 



No A B 



Height of burner, inches 6 7% 



Diameter of tube, inches % % 



Each 1.90 2.80 



2132. BURNER, Tirrill'S, substantially constructed, all of brass, with regulators for air and gas. Con- 

 sidered one of the best burners made for use with coal, natural or gasoline gas. Height, 6 

 inches; diameter of tube, % 6 inch 1.50 



