RUBUS ARCTICUS.--Arctic Regions of both hemispheres. An interesting species about 6 inches high, with trifoliolate leaves, and deep-red flowers. For Alpine gardening it is a valuable species of dwarf growth. R. AUSTRALIS, from New Zealand, is... Read more of Rubus at Arbor Day.caInformational Site Network Informational

   Home - Science Experiments - Things Worth Knowing - Wise Facts - Curious Facts

Unshrinkable Patterns

The best mixture for small patterns, that does
not shrink in casting, is sixty-nine parts Lead, fifteen and one-half
parts Antimony, fifteen and one-half parts Bismuth, by weight. A cheap
kind for finished patterns can be made of ten parts Zinc, one part
Antimony, one part Tin.

Next: To Make Artificial Marble For Paper Weights Or Other Fancy Articles

Previous: Imitation Of Ground Glass

Add to Informational Site Network

Viewed 2866