A standard mercury barometer has a glass column of about 30 inches in height, closed at one end, with…
The guitar is a musical instrument of the chordophone family. The standard guitar has six strings, others…
Illustration showing the correct and incorrect position of a right line pen against a T-square, triangle,…
A cylindrical wind instrument, with holes along its length, stopped by the figners or by keys opened…
A stringed instrument resembling the violin, but larger, and having six strings, played upon with the…
This stringed instrument is a combination of a banjo, guitar, and mandolin. Each of the heads that stick…
The vertical rays are spread over a smaller area, and pass through a thinner layer of air. The vertical…
"In Greek mythology, one of two, or three, or an indeterminate number of sea-nymphs who by their singing…
This ornament medallion symbol is a symbol of musical instruments that represent the art of singing.…
"With a long main-line and many instruments in circuit, the resistance may be so great as to render…