A MINIATURE GASWORKS
22 Nov 2023
The condensed water and tar fall from the open ends of the pipes into the base.
A SIGNALLING LAMP
21 Nov 2023
The upper half overlaps the lower, outside, by a quarter of an inch.
A SILHOUETTE DRAWING MACHINE
20 Nov 2023
A thread attached to the pencil will enable you to keep the pencil off the paper until you wish to begin drawing the profile.
A HOME-MADE PANTOGRAPH
19 Nov 2023
A little sliding weight to place on the rod near the pencil will be found useful for keeping the pencil point in constant contact with the paper.
DOUBLE BELLOWS
18 Nov 2023
The ends of the wire should be soldered together, and the ends of the link held up to the handles by a couple of staples.
WRESTLING PUPPETS
17 Nov 2023
The funniest antics are produced by very slight jerks.
A WOODEN WORKBOX
16 Nov 2023
Their length under the heads exceeds the inside depth of the box by the thickness of the lid.
A SELF-SUPPLYING MATCHBOX
15 Nov 2023
This useful little article can be constructed in a couple of hours by a handy person.
SCULPTURING MACHINES
14 Nov 2023
Rapidity of fire is only one of the desirable features in a firearm.