better mouse-trap than his neighbor, though he build his house in t

ing conspicuously superior merit. The field of invention is a broad one, and embraces any new electrical appliances, engineering devices, improvements in steam navigation, agricultur

AND IMPROVE

ctr

nerating electricity direct from coal without the incidental production of light and heat; a new, indestructible incandescent lamp filament; a new style of incandescent lamp that will give more light and use less current; a simple means for preventing the blowing out of fuses, and yet preventing the overloading of the motors; method of extracting electricity from the

mic

izing asphalt; method of deodorizing paint; method of increasing the life and durableness of soft rubber; simple means for preserving butter; new shoe blacking free from sulphuric and acetic acids; cheap substitute for matches; method of removing nicotine from tobacco; method of utilizing vulcanized rubber scrap; substitute

and Met

ention of the blast furnace; method for producing malleable pig iron; cheap method of producing high-speed steels for tools and the like; machine to separate slate from Anthracite and Bituminous Coal.

s and M

advise our American inventors not to spend any time and money on inventions such as car couplers, steel

n dirigible balloons and aeroplanes for military uses.* (*NOTE: This is a

ools, Steam

le and cheap bone crusher; simple and cheap bone cleaner; simple and cheap casting machine for small foundries; simple and cheap molding machine for small foundries; machine for casting under pressure; substitute for fly wheels on engines; efficient safety stopping devices fo

ing Machines, Offi

or vending newspapers; electrically driven typewriter; cheap substitute for fountain pen; cheap sub

and Ventilating-Bu

as when not ignited; brick-laying machine; method of glazing without the use of putty; window sash that will not bind or stick in the frame; substitute for sash weight

Veh

eap and efficient dust preventer; improvements in all the details of

ella

xt

ubstitute for silk; method of coating cheap fibres with silk; method of spinning

nti

titute for printing blocks.* (*NOTE: Must be light in weight, and non-inflammable.) Substitute

cult

terpillars; method or machine for exterminating mosquitoes; improvements or new devices for use of farmer

ne

utilization of saw dust; substitute for hair pin, or on

OT TO

illable

lo

railwa

d rail

t med

coup

and

ty p

cur

g Comp

pole c

unless absolutely

nless absolutely n

style ty

nless absolutely n

rine

, and the additional fact that the field is absolutely overcrowded. The attorneys that have applied for the hosts of patents for inventors

Fulf

go, the following articles were asked for, which have since

ice ma

rated

alcium

f preser

, New York, Baltimore and Washington, at this writing. Milk prepared by this process is said to

wder (now in alm

ound mechanically impracticable and have been

ers. (Everybody is familiar with th

ng ma

utting

cigar l

ating fo

act that inventors are persistently supplying what th

AND D

's a will th

comfortable, and we are not bothering much about any new inventions. Another mistake inventors often make is that of endeavoring to make the public w

ventor the expense of getting out patents. Yet plenty of such things are patented almost every week, in this country. "Some time there could be but one customer,-say, the governm