𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Deutscher Färber-Kalender, 1930. 39th year. Edited by the Deutsche Färber-Zeitung. Pp. 256. Wittenberg (Halle): A. Ziemsen Verlag., 1930. Paper, 5 rm.; bound, 8 rm

✍ Scribed by Brown, Reginald


Book ID
102324022
Publisher
Wiley (John Wiley & Sons)
Year
1930
Weight
139 KB
Volume
49
Category
Article
ISSN
0368-4075

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✦ Synopsis


CHEJIISTRY AND INDUSTRY

451

t.lint iiiny be triie, but tliere is : L growing tendency to use silica mnterinls in t,hc coiiibustion chnmbers of hen ting appnrntus where very liigli temperatures nre required.

h s previously intimnted, the chapter on porcelnins hns been extended more tlinn nny. other, and this is lngcly dne to tlie modern improvenients made in Inborntory porcelnin nnd electricnl porcelain for hightension spnrking plugs etc.

A few misprints hnvc been noticed hero nnd there, but, generally speaking, they nre not likely to occnsion serious trouble. A ciirious omission has occurred in the tnblc of contents on the lnst pnge of the first volume.