182 



NEGKETTI AND ZAMBKA, HOLBOEN VIADUCT, E.G.. 



Each. 

 B. d. 



Poise (or Weight) is a scale indicating from 1,025 to 1,060. This also has a 

 Thermometer supplied with it, and is fitted in a Mahogany Box, being arranged 



for use in Distilleries (fig. 445) Price 2 5 



The same instrument is supplied with a range of scale suitable for Brewers' 



use, viz. : 1,000 to 1,050, and 1,050 to 1,100 Price 2 10 



Messrs. Negretti and Zambra also supply a simpler form of Saccharometer, the 

 whole range of scale being contained in one instrument. 



Any modification of the above arrangements can be made to suit the require- 

 ments and convenience of purchasers. 

 446 Combined Glass Hydrometer and Saccharometer, 

 2 Scales showing Specific Gravity and Ibs. per barrel, 

 with Thermometer, in mahogany case .... 

 Saccharometer Thermometer, with enamelled tube and 



expansion scale, mounted on Silvered Brass Scale 

 Saccharometer Can, for testing Wort, Copper, tinned 



inside 



Ditto, ditto Tin Japanned 



Glass Saccharometer testing or sample jars (fig 417) 

 450* Graduated Glass Blending Jars, for wine, spirits, or 

 beer (figs. 450 and 441*) .... 4s. 6d. 

 451 Small Glass Hydrometer, specific gravity scale, with 

 sample glass and thermometer in case (figs. 418 & 418*) 



447 

 448 



449 



450 



Each. 

 s. d. 



220 



14 



026 



10 

 4 

 3 



056 076 



15 



452 Small Glass Hydrometers in Pocket cases of various scales and range made to 

 order. 



200- 



300- 

 400- 

 500 -^-j 

 fioo- 

 700 



800 



900- 



FIG. 456. FIG. 512. FIG. 453. FIG. 450. FIG. 453*. FIG. 512. FIG. 462. 



453 Small Glass Hydrometers, two in the set, Specific Gravity Scale, 



from water to sulphuric aether, or from water to sulphuric acid, 



in neat case with Thermometer and Test jar (figs. 453 and 342*) 1 10 



454 Sets of eight small Glass Hydrometers, specific gravity, full range 



from tether to sulphuric acid, with Thermometer and sample jar in 

 case . . . . . . . 



456 Twaddell's Hydrometers, Nos. 1, 2, 3 (fig. 456) . '. * each 



457 Ditto ditto, Nos. 4, 5, and 6 do. 



458 Set of six Twaddell's Hydrometers, in mahogany case with 



Thermometer graduated on the stem, and test glass . . .220 



10 

 3 

 4 



