EXHIBITION UPDATE Last Chance to See Some Popular Objects! "Entertainment Nation”/ "Nación del espectáculo” Ray and Dagmar ...
This is an example of the first commercially sold handheld graphing electronic calculator, introduced by Casio in 1985. The sides of the calculator are black plastic, with a metal keyboard and back.
This handheld electronic calculator has a black plastic case. In addition to ten digit keys, it has a decimal point key and a percentage key, an on/off switch, and yellow clear and clear indicator ...
This is an example of the first model of a scientific calculator marketed by Texas Instruments. The handheld electronic calculator has a black- and ivory-colored plastic case with an array of ...
The American Safety Lamp & Mine Supply Company hired M.D. Cremer of England to produce this lamp around 1913. M.D. Cremer, a former director of the Wolf Safety Lamp Company in England started the ...
This John Davis & Son safety lamp manufactured in the early 20th century is notable for its prominent padlock latch. Many mining safety lamps were fueled, locked, and distributed at the entrance of ...
This is a "Baby" Wolf Company Safety Lamp manufactured in Brooklyn, New York in the early 20th century. The "baby" name denotes the lamp’s smaller size. The baby Wolf safety lamp was manufactured for ...
This is a safety lamp manufactured by the Wolf Safety Lamp Company of America in the early 20th century. This lamp is one of the popular and effective Wolf Company designs, employing a glass enclosure ...
This is a safety lamp manufactured by the Wolf Safety Lamp Company of America in the early 20th century. This lamp is one of the most popular Wolf designs, employing a glass enclosure, wire gauze on ...
This safety lamp was manufactured by the American Safety Lamp and Mine Supply Company of Scranton, Pennsylvania in the latter half of the 19th century. This Clanny style safety lamp employs a wire ...
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