For photographing the human voice and reproducing it, not as a picture but as the actual sound of the voice itself, a new device known as the Pallo-Photo-Phone has been perfected by Charles A. Hoxie of the General Electric Company. It is regarded...
View of the Chart Room in the DuPont Building in Wilmington, Delaware. A 'Hush-A-Phone' can bee seen on the desk to the right. This device enabled a person to speak on the telephone without voice their voice carrying to the group sitting in the...
Periodicals; Chemical industry; Weeds; Safety; Equipment; Boats; Plastics industry; Golf; Fashion industry; Bathing suits; Textile industry; Health care;
Table of Contents: Clean roadsides ahead; Safety: it's good business; Portable power nail driver; A clear voice abroad; A seaworthy choice; Compressing the game of golf; The I-system has it; America's swimwear team; Giving nature a boost; Ahead of...
Periodicals; Chemical industry; Packaging; Paint industry; Automobile industry; Luggage; Textile industry; Building materials; Fire fighters; Firefighting equipment; Underwear;
Table of Contents: Slimmed down packaging; A winning finish; The nine lives of Cordura; Window of opportunity; Protecting the protectors; In a loud, clear voice; Unlimited excitement; Not your granny's union suit; Safe braking: it's not a lock;...
Table of Contents: Rising to new heights; Down with the clostridium sporogenes; In case of emergency; The thrill of it all; How degrading; The farmer's voice; China is open for business; Tracking down the culprit; New transformers on a roll in...
Table of Contents: DuPont Oval; There is always room at the top; Electric squibs for coal shooting; Blast those mosquitoes; Pyralin keeps tab on chickens; Game bird screen; Speaking of DuPont oval powder You can use Duco, too; Radio's voice through...
Table of Contents: Taxes and business; Dredging with dynamite; Concerning women and rug anchor; Dulux goes feminine; Keeping in step with time; The kinship of DuPont products; The publishing parade; How safe is a bed; The voice of safety; They're...
Deeply upholstered, fully reclining and reversible chairs, a sound-proofed cabin exceeding 6 feet in height and wide unobstructed aisles are among the interior features of the Luxury Airliner which has just been put into service by Transcontinental...
A miniature fashion review showing the use of Acele cellulose acetate yarn in the making of stylish dresses, as part of the former DuPont Exhibition at the New York Museum of Science and Industry, Rockefeller Center, A synchronized voice made it...
Marion Perse, Elaine Mumford and Dorotha Redman, left to right, three costumed members of DuPont Company's 100 voice Employees Chorus who took part in Company's 150th Anniversary celebration July 18, on the banks of Brandywine Creek, near...
DuPont Company's 100 voice Employees Chorus who took part in Company's 150th Anniversary celebration July 18, on the banks of Brandywine Creek, near Wilmington, Delaware.
DuPont Company's 100 voice Employees Chorus who took part in Company's 150th Anniversary celebration July 18, on the banks of Brandywine Creek, near Wilmington, Delaware.
Three photos printed as a supplement to the Star newspaper, Wilmington, Delaware. Printed on front: "Honored for their contributions to Delaware's Educational Progress. The Delaware Citizens Association to voice to State's thanks and appreciation...
Three photos printed as a supplement to the Star newspaper, Wilmington, Delaware. Printed on front: "Honored for their contributions to Delaware's Educational Progress. The Delaware Citizens Association to voice to State's thanks and appreciation...
Three photos printed as a supplement to the Star newspaper, Wilmington, Delaware. Printed on front: "Honored for their contributions to Delaware's Educational Progress. The Delaware Citizens Association to voice to State's thanks and appreciation...
