Information on air raid sirens and other siren and warning devices. Features photos, sounds, projects, restoration, forum, and links.

Photographs and information about collecting, and researching them as a hobby.

A large collection of antique X-ray tubes and accessories, with images and information.

A start point for sand collectors.

A website with the aircraft safety cards collection of Aaron Yan(Singapore).

Collection of more than 130 Backscratchers.

Dedicated to all collectors of Bakelite and other associated old plastics.

Bakelite kitchen and homeware, radios, clocks, jewelry, and cameras. Each item has a description. Includes images, books, links.

Pictures, statistics and guest book.

Business card collecting facts, fun, and information. Links to business card collectors and traders around the world.