202 L. CASELLA'S CATALOGUE 



FIGS. 2355, 2356. 



FIG. 2357. 



FIG. 2352. 



GAS GAUGES AND APPARATUS. 



2346. Glass Tube Pressure Gauges, with union joint and brass bend with socket 

 (/fy. 2346), p. 203: 



Ivory Scales. Boxwood Scales. 



6-inch, scales 



8 . . 



10 



4-inch, scales 



5 



6 



7 , 



7 

 8 

 10 

 11 



12 



8 

 9 

 11 

 13 



Larger sizes to order. 



2347. PEESSUBE GAUGES, viz., stout glass tube about \ inch, bore, with brass cap, 

 union and boxwood scale on polished mahogany : 



12-inch, scales 

 14 



16 

 18 



14 

 16 



18 



1 1 



20-inch, scales 

 24 

 30 

 36 



1 5 

 186 

 1 14 

 1 17 6 



2348. GAS PEESSUBE GAUGES, of stout glass tube, about \ inch, bore without bend, on 

 mahogany boards with boxwood scale, connected brass cap and union at top, 

 and brass socket and plug below to admit of cleaning without unfixing the 

 gauge : 



GAS PRESSURE GAUGES on CASELLA'S improved porcelain scales, with clear black in- 

 delible figures and divisions, sizes and forms of No. 2348, at a slight extra cost. 



2350. INSPECTOES' POCKET GAUGE, 3-inch, scale, with the 2 usual adapters, elbow, 

 and pliers with burner brooch, in maroon case, complete . 150 



