128 The Stock Market Crash—And After
always be raised to develop inventions, and the
process usually adds to the volume of debt including
brokers’ loans.
In the same paper there is the announcement of
a new all-air line between New York and Los
Angeles, spanning the continent in thirty-six hours.
On another page is a report that in Poland a rivetless
 bridge has been constructed by a new process
of welding. There is also the news account of: the
distillation of coal to make fuel oil. An expert
announces that the railroads are saving coal; one
line uses 70 pounds now to 170 pounds used ten
years ago.
There is the recent announcement of the front
drive car that is “pulled, not pushed” by its engine.
There is the announcement by S. T. Bloom, a consulting
 engineer, of Chicago, that important new appliances
 in refrigeration will soon result in the quick
freezing of retail meat-cuts, fruits, vegetables, dairy
products—in fact, of every perishable foodstuff, and
that office buildings, hotels, large stores, and even
homes will soon be refrigerated in summer as they
are heated in winter. Cornstalks have been recently
utilized to make pulp for the production of newsprint
 paper, and now the chemists at the University
of Illinois announce that the refuse from this process
may be turned into gas for use on farms. A system
of television is being adapted for broadcast service
in the homes.
The largest and most powerful oil-electric locomotive
 in the world, a hurtling power plant, with-