Here is a simple way to make a needle float on water:—

Fill a wineglass or tumbler with water, and on this lay quite flat a cigarette paper; place a needle gently on this, and presently the paper will sink, and the needle will float on the water.

55

A one-syllable adjective I,
Indeterminate, misty, obscure:
Reduce me by five, and then try
How you like my attacks to endure.

I’m now a two-syllable noun,
My victims are hot and are cold;
In country more rife than in town,
I’m not such a pest as of old.

[Solution]

No. LX.—VIS INERTIÆ

Here is a pile of ten draughtsmen—one black among nine white.