New Photographic Fad Lets Silhouettes Rise Without Scissors
A Hollywood photographer Otto Dyar unveils a simple camera based method to create rich black and white silhouettes. By placing light from behind a white screen and using a side mirror for relief details, amateurs can produce etching like images suitable for stills and early motion pictures.
MENTIONED IN THIS ARTICLE
Optus
Otto Dyar
Hollywood
H. H. Dunn
BS Sac
Dyar
Mr. Dunn
Radioactivity Ties Volcanoes to Earth Heat
A London book by Professor J Jolly argues that uneven radioactive material in the crust drives volcanic eruptions as molten basalt expands upon fusion. German authority Professor W Anderssen notes deep heat is emitted from the earth and radiology suggests the planet may be warming rather than cooling. Steel coated money coats banknotes with steel alloy to bind metal and paper, boosting durability and making counterfeiting harder.
MENTIONED IN THIS ARTICLE
London
J. Jolly
Professor Jolly
Prfessor
W. Anderssen
Dr. Schoop
Ot Zurich
Chemistry
Indy
New Distemper Cure Device Aids Canine Nose Care
An article notes a patented device by Guy G. Graham of Kansas City that irrigates a dog's nasal passages and sinuses using a compressible rubber bulb and aluminum nozzle. It describes flushing with water and bicarbonate solution, and mentions the discomfort of nasal tubes. Also pictured are new dog heel chairs, such as Dallas family pet Jackie who uses a wheelchair after being run over.
MENTIONED IN THIS ARTICLE
Guy G. Graham
Kansas City
Jackie
Dallas
Texas
Gas filled glass bullets murder mystery ends in suicide
A Russian doctor used a pneumatic pistol loaded with poisonous gas to kill multiple victims. He first killed a woman, then four others across a week, with one survivor who saw a man emerge from a doorway. A detective on the case was killed. police raided the doctor, who then killed himself, while a single raider survived.
Aerial High Hat Novelty Airplane Hat
Gilbert Myers of Boise Idaho patents a compact novelty headgear shaped as a miniature airplane for parties and dances. The cardboard hat folds flat for shipping and forms a monoplane with landing gear wheels and a freely rotating propeller driven by rubber bands on the head.
MENTIONED IN THIS ARTICLE
Gilbert Myers
Boise
Idaho
Inventions Include Toe Caps For Skates And Baby Exercise Mat
The article notes a steel toe cap for skates to aid foot control and a six foot inflatable baby exercise mat by Oliver P. Welch of Saint Ignace Michigan. It describes a prone infant pillow and air cushions simulating a knee to exercise abdominal muscles. It also discusses Cephenemyia fly speeds and a hypothetical world itinerary by air reaching 850 miles per hour.
MENTIONED IN THIS ARTICLE
Oliver P. Welch
Saint Ignace
Michigan
New York
Charles Townsend
the Scientific Monthly
Also Mentioned on This Page
Mother Goose
Little Jack Horner
Old Mother Hubbard
Paramount Pictures
Science
This is just the beginning! Our collection holds over 300 years of history, including rare newspapers, obituaries, marriage records, birth records, and so much more—most of which you won’t find anywhere else!