Normal Spectra of Some Elements For Wavelength Determination In The
Extreme Ultraviolet by Eder and Valenta
Archive materials for the H. G. Fischer Corporation, founded 1910.
HG Fischer manufactured X-Ray machines, Diathermy machines, Tesla Coils,
and a variety of Electrotherapy machines and apparatus. From the
collection of the Electrotherapy Museum.
Early tabletop Tesla Coils, patented by Nikola Tesla. CAD Drawings
by Jeff Behary.
Medical blueprints to the H. G. Fischer Corporation from Chicago,
founded 1910. Tesla Coils, Diathermy Machines, Short Wave
Diathermy, Low Voltage Generators, X-Ray Machines and related apparatus.
Medical blueprints to the H. G. Fischer Corporation from Chicago,
founded 1910. Tesla Coils, Diathermy Machines, Short Wave
Diathermy, Low Voltage Generators, X-Ray Machines and related apparatus.
Medical blueprints to the H. G. Fischer Corporation from Chicago,
founded 1910. Tesla Coils, Diathermy Machines, Short Wave
Diathermy, Low Voltage Generators, X-Ray Machines and related apparatus.
Medical blueprints to the H. G. Fischer Corporation from Chicago,
founded 1910. Tesla Coils, Diathermy Machines, Short Wave
Diathermy, Low Voltage Generators, X-Ray Machines and related apparatus.
Blueprints to the H. G. Fischer Corporation, an early medical and X-Ray
company from Chicago founded in 1910. Diathermy, X-Rays,
Electrotherapy, Tesla Coils, Short Wave
Medical blueprints to the H. G. Fischer Corporation from Chicago,
founded 1910. Tesla Coils, Diathermy Machines, Short Wave
Diathermy, Low Voltage Generators, X-Ray Machines and related apparatus.
Medical blueprints to the H. G. Fischer Corporation from Chicago,
founded 1910. Tesla Coils, Diathermy Machines, Short Wave
Diathermy, Low Voltage Generators, X-Ray Machines and related apparatus.
Medical blueprints to the H. G. Fischer Corporation from Chicago,
founded 1910. Tesla Coils, Diathermy Machines, Short Wave
Diathermy, Low Voltage Generators, X-Ray Machines and related apparatus.
Blueprints to the H. G. Fischer Corporation, an early medical and X-Ray
company from Chicago founded in 1910. One of the few companies
that didn't resort to selling quackery, the company lasted until the
early 2000s.
Blueprints to the H. G. Fischer Corporation, an early medical and X-Ray
company from Chicago founded in 1910.
Lichtenberg Figures (Electrical Discharges) in 3 Volumes by Peder Olaf
Pedersen. Gift from the Royal Academy of Denmark.
Ultraviolet Generators for Medical Applications
Published: Aug
03, 2019
Archived: Aug
03, 2020
Early text of Dr. William James Morton on cancer treatments using
X-Rays, radium, and artificial fluorescence of tissues.
Published: Jul
27, 2020
Archived: Jul
27, 2020
Early oil-filled Tesla Coil for X-Ray use distributed by LE Knott
Apparatus of Boston
Published: Jul
11, 2020
Archived: Jul
11, 2020
A collection of files and emails about the Tesla speedometers
manufactured by Waltham Watch. The speedometers were originally
invented by an inventor from Iowa named Stead Asquith. Sadly he
did not get the credit he deserves - I hope this information will help
to make up for that.
Life Madeline and Julian, Io and Baby Bear, Mejla and Sumo,
Munchies...
Archive of images relating to Lynn MA X-Ray company Campbell Brothers,
later Campbell Electric. Early manufacturer of Tesla Coils for
X-Ray use. Electrotherapy Museum archives, Jeff Behary and Frank
Jones Collections.
Archive of the Wappler Electric Company, New York. Early X-Ray
manufacturer in the US, later made electrosurgical and cystoscopes.
Quack Medical "Violet Ray" Tesla Coil Manuals from early
1900s-1950s.
Some papers from Elihu Thomson from APS concerning Kinraide, Keely, and
Dr. Frederick Finch Strong's question regarding "who invented the
Tesla Coil"...
All 3 volumes of Pedersen's famous works given to be by the Danish Royal
Academy. Pedersen worked with Valdemar Poulsen.
Lord Armstrong's work on Lichtenberg Figures before his famous book
"Electric Movement In Air and Water"
Famous work by Lord Armstrong on Lichtenberg Figures from the collection
of Daniel Cuscela
Published: Jul
04, 2020
Archived: Jul
04, 2020
A selection of gas discharge tubes photographed, purchased from India.
Published: Apr
16, 2020
Archived: Apr
17, 2020
Therapeutic Effects Of Ultraviolet from Hanovia Alpine Sunlamps,
Kromayer Water-Cooled Lamps
Published: Apr
16, 2020
Archived: Apr
17, 2020
Technique Handbook On Quartz Light Therapy by Hanovia Alpine Sunlamps
and Kromayer Lamps
Published: Apr
16, 2020
Archived: Apr
17, 2020
Heliotherapy with Quartz Lamps from Hanovia
Published: Apr
13, 2020
Archived: Apr
14, 2020
Conifdential Fifteenth Naval District yacht log from Canal Zone to the
West Coast of Mexico, 1941. Leon and Carola Mandel about the yacht
Carola.
Published: Apr
03, 2020
Archived: Apr
03, 2020
A selection of reference materials pertaining to ultraviolet and
infrared lamps
Published: Mar
04, 2020
Archived: Apr
03, 2020
A selection of 11"x17" and 8.5"x11" blueprints from
the H.G. Fischer Company, formed 1910.
Published: Apr
02, 2020
Archived: Apr
02, 2020
Ultraviolet Lamps from the Burdick Corporation, 1930s
Published: Mar
31, 2020
Archived: Mar
31, 2020
Misc. Ultraviolet Lamp and Sunlamp manuals, pamphlets, and catalogues
Published: Mar
31, 2020
Archived: Mar
31, 2020
Early papers on Ozone and Antozone (hydrogen peroxide), 1845-1846
Published: Mar
31, 2020
Archived: Mar
31, 2020
Magazines about Quartz Light therapy - actinotherapy - phototherapy -
from Hanovia.
Published: Mar
31, 2020
Archived: Mar
31, 2020
Booklet about Hanovia Sun Lamps
Published: Mar
26, 2020
Archived: Mar
27, 2020
Some loose translations of what appears to be facts about the COVID-19
Coronavirus.
Published: Mar
19, 2020
Archived: Mar
19, 2020
A look at the visible spectrum lines of various gas discharge tubes.
Published: Mar
19, 2020
Archived: Mar
19, 2020
Visible spectrum analysis of various gas discharge tubes.
Published: Mar
12, 2020
Archived: Mar
17, 2020
A look at the ultraviolet spectrum of several antique lamps and replicas
made from 1800s - early 1900s.