Endless Amusemen
Endless Amusement A Collection of Nearly 400 Entertaining Experiments in Various Branches of Science; Including Acoustics, Electricity, Magnetism, Arithmetic, Hydraulics, Mechanics, Chemistry, Hydrostatics, Optics; Wonders of the Air-Pump; All the Popular Tricks and Changes of the Cards, &c., &c. to Which is Added, a Complete System of Pyrotechny; Or, the Art of Making Fire-works.
作者：Unknown
体例：段 章数：17
字数：345,558 来源：Project Gutenberg
章节目录
共 17 段- When the water rises up to F, the piece at A will be visible
- _To make a Ring suspend by a Thread, after the Thread has be
- Make a hollow globe, of copper or lead, and of a size adapte
- The construction of this amusing optical machine is so well
- Take a stone, or any heavy substance, and putting it in a la
- If a jar be discharged through this vacuum, it presents the
- Many of the following recreations are performed by arithmeti
- Fix this mirror against a partition, through which two strin
- _Gunpowder Exploded by Reflection._
- Plants, when forced from their natural position, are endowed
- To represent revolving pyramids and globes, the paper must b
- Put a small quantity of phosphorus and some potash, dissolve
- When you load the heads of your rockets with stars, rains, s
- _Double Spiral Wheels._--For these wheels, the block or nave
- Bowls for water-globes must be very large, and the wheels on
- No. 9. "AN INTRODUCTION TO VEGETABLE PHYSIOLOGY, WITH
- _In one handsome royal 18mo. volume, crimson extra cloth,