96 
THE HON. SIR CHARLES ALGERNON PARSONS: EXPERIMENTS ON 
Experiment. 
4-inch mould; iron sulphide core, carbide mixture, and wood charcoal 
round, 20 tons pressure, 10 k.w.m. total heating, heating 1^ minutes. 
4|-inch mould; iron sulphide core, carborundum, caustic soda, and 
sulphur round, 20 tons pressure, 30 k.w.m. total heating, heating 
3f minutes. 
4|-inch mould; iron sulphide core, carborundum, caustic soda, sodium 
carbonate and sulphur round, 15 tons pi'essurc, 30 k.w.m. total 
heating, about | ton of gaseous pressure when somewhat cooled and 
ram released, heating 3 minutes. 
4|-inch mould; iron sulphide core, carborundum, sodium carbonate and 
sulphur round, 15 tons pressure, 30 k.w.m. total heating, heating 
8 minutes. 
4f-inch mould; iron sulphide core, carborundum and caustic soda round, 
15 tons pressure, 25 k.w.m. total heating, about 2 tons of gaseous 
pressure when ram released, heating 6 minutes. 
4|-inch mould ; iron sulphide core, carborundum, calcium fluoride and 
sulphur round, 20 tons pressure, 25 k.w.m. total heating, about 1 ton 
of gaseous pressure when ram released, heating 1^ minutes. 
4|-inch mould; carbon core, paper tube round it filled with iron fluoride, 
silica round, 20 tons pressure, 40 k.w.m. total heating, heating 
1 minute. 
4-inch mould ; carbon rod core, 2-inch paper tube filled with carborundum 
and sodium, outside paper tube packed with marble, graphite on top, 
20 tons pressure, 25 k.w.m. total heating, sodium carbide and silicon 
formed, heating 1 minute 5 seconds. 
4-inch mould; |-inch carbon rod core, 3-inch paper tube containing sodium 
and carborundum, calcium carbide round, 26 tons pressure, 18 k.w.m. 
total heating, heating 1 minute. 
4-inch mould; |-inch carbon rod core, iron filings round, carborundum 
on top, then sodium and mercury covered with iron filings, 26 tons 
pressure, 80 k.w.m. total heating, heating 1 minute. 
4-inch mould ; ^Tinch carbon rod core, l^j-inch paper tube containing iron 
filings, carbon round, sodium on top, 26 tons pressure, 30 k.w.m. total 
heating, heating 40 seconds. 
4-inch mould; |-inch carbon rod core, li-inch paper tube containing 
iron, barium oxide and strontium oxide, carborundum round, 
sodium on top, 26 tons pressure, 50 k.w.m. total heating, heating 
2| minutes. 
4-inch mould; filled with marble, pressed, l|-inch hole drilled in it, 
|-inch carbon rod in centre, iron, carbon, carborundum and titanium 
round, sodium on top, 26 tons pressure, 37 k.w.m. total heating, 
heating 3| minutes. 
4-inch mould ; filled with bauxite pressed to 20 tons, l|-inch hole drilled 
in it, ^-inch carbon rod in centre, iron, lampblack, carborundum and 
bauxite round, sodium on top, 26 tons pressure, 30 k.w.m. total heating, 
heating 4| minutes, charge blew out. 
Result. 
Nil. 
Some crystals. 
Some crystals. 
Nil. 
Nil. 
Nil. 
Nil. 
Nil. 
Nil. 
Nil. 
Nil. 
Nil. 
Nil. 
Some crystals from ejected 
iron. 
