Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
Spherulite are found and
become smaller toward the
top and internally very green.
Glue is kept in light of heat
is supplied by natural gas.
Sometimes this layer is
cast out upon a flat
bottom covered with sand
about two feet deep, and
this is broken up later
and reheated when the
furnace is repaired.
There also the spherulites
are formed near the bottom,
spherulites are also formed
in the pits holding some
two pieces of cracked
glass. From them there
seems that the glass is
taken for working in the
pane. The glue in these