Search results
Results from the WOW.Com Content Network
Unlike a spirit duplicator master, a hectograph master is not a mirror image. Thus, when using a spirit duplicator master with a hectograph, one writes on the back of the purple sheet, using it like carbon paper to produce an image on the white sheet, rather than writing on the front of the white sheet to produce a mirror image on its back.
A spirit duplicator (also Rexograph and Ditto machine in North America, Banda machine and Fordigraph machine in the U.K. and Australia) is a printing method invented in 1923 by Wilhelm Ritzerfeld, which was used for most of the 20th century. The term "spirit duplicator" refers to the alcohols that were the principal solvents used in generating ...
The hectograph introduced in 1876 or shortly before, was a technology in which a dye-impregnated master copy, not unlike a spirit master, was laid on top of a cake pan full of firm gelatin. After the dye soaked into the gelatin, sheets of paper could be laid on top of the gelatin to transfer the image.
Today's NYT Connections puzzle for Tuesday, February 4, 2025The New York Times
the first has somehow, in some way, been my best year yet. So, as I often say to participants in the workshop, “If a school teacher from Nebraska can do it, so can you!”
William H. Mumler (1832–1884) was an American spirit photographer who worked in New York City and Boston. [1] His first spirit photograph was apparently an accident—a self-portrait which, when developed, also revealed the "spirit" of his deceased cousin.
The Spirit of St. Louis was not built by the final Ryan Aeronautical entity. [ 9 ] The new company's first aircraft was the S-T Sport Trainer , [ 10 ] a low-wing tandem-seat monoplane with a 95 hp (71 kW) Menasco B-4 Pirate straight-4 engine.
(Reuters) -A second post-race drug test for Kentucky Derby winner Medina Spirit confirmed a prohibited substance was present, a lawyer for the horse's trainer said on Wednesday, raising the ...