

452 



437 



Tor Gr^nhmsc and Oardctv 



HORTICULTURAL THERMOMETERS 



with white enamelled steel scales that are indestruct- 

 ible, legible and washable. The divisions and figures 

 are made absolutely permanent by a special process. 



No. 452. Horticultural Six's Thermometer, showing Highest, 

 Lowest and Present Temperature ; with Magnet 



No, 437. Hor icultural MinimuTi Thermometer, indicating 

 Lowest during the night; also Present Temperature 



\Vr'xte for Price List ' ' R. CI.''' 

 Have you seen our Frost Predictor 9 



nib 

 6/6 



Negretti © Zambra 



38,HOLBORN VIADUCT,E.C.l 



branches: 5 leaden hall ST. EC. 3 



AND 122 REGENT STREET, W I - 



• lo:nidok • 



Established 1850. 



