- einen ... Spalt
- : a slit.
- [11]
- bandförmig auseinandergezogen
- : drawn out in the form of a ribbon.
- [12]
- brechbar
- : refrangible.
- [13]
- einzelne
- : single, separate, individual.
- [14]
- derartig
- : that kind, such.
- [15]
- indem man
- ; see
- 1 Note 9
- .
- [16]
- das Knallgebläse
- : oxy-hydrogen blowpipe.
- [17]
- die betreffenden Metalle
- :
- the metals in question.
- [18]
- geschlossen werden kann
- : conclusions may be drawn.
- [19]