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



511 



No. 14170. 



No. 14178. 



No. 14188. 



No. 14192. 



14170. VAPOR DENSITY APPARATUS, Victor Meyer, complete with outer jacket of glass, 25 inches 



long and 1% inches in diameter, inner tube 33 inches long, without bottle for containing the 

 liquid to be tested $2.25 



14171. BOTTLES, small, glass stoppered, for use with No. 14170 Each .30 



Per dozen 3.30 



14172. INNER TUBE only of No. 14170, with side arm 1.10 



14173. OUTER JACKET only of No. 14170, of glass 1.25 



14174. OUTER JACKET only of No. 14170, of copper, according to McCoy 6.00 



' 14178. VAPOR DENSITY APPARATUS, Weiser's Modification of Victor Meyer's, designed to shorten 

 the apparatus while retaining all the desirable features of the original. Length of outer jacket, 

 32 cm; diameter of outer jacket, 6 cm; capacity of vaporization bulb, about 125 ee. Complete 

 as described with 2 glass stoppered bottles. (See Journal of Physical Chemistry, Vol. XX, 

 No. 6, page 532, for June 1916) 2.25 



14179. INNER TUBE only of No. 14178 1.10 



14180. OUTER JACKET only of No. 14178 1.25 



VASCULUM, see Botanical Apparatus. 



VERNIER CALIPERS, see Calipers. 



VIALS, see Bottles. 



VISCOSITY PIPETTE, see Physical Chemistry Apparatus. 



VTSCOSIMETERS, see Oil Testing Apparatus. 



14188. VISES, Anvil, adjustable jaws, strongly constructed. Base is drilled to fasten rigidly to bench 

 bv screws. 



"No A B C 



Width of opening, inches 3 5 



Width of jaw, inches 2% 3% 4 



Weight, pounds 9 25 35 



Each 6.50 8.10 10.00 



14190. VISES, Anvil with Clamp. Provided also with a steel base drilled to fasten rigidly to bench by 

 screws. 



No A B 



Width of opening, inches 2^ 3% 



Width of jaw, inches 2*4 2% 



Weight, pounds 5% 



Each 3.00 4.20 



14192. VISES, Anvil with Clamp, Small. Very convenient for laboratory use. 



No A B 



Width of opening, inches 1% 1% 



Width of jaw, inches !% 



Weight, pounds 



Each . 1-20 1.80 



