PATENT OF PHOTO FLASH SYNCHRONISER 1939 Art Print

Text on the tag: In 1927, the first flash bulbs were produced by General Electric. The first bulbs were made of glass, but were eventually switched to plastic when realising the magnesium’s ignition of the flash could actually break the bulb.. * Conservation acid-free board included * Delivered packed ready for retail * Luxury pearlescent eco-certified paper * Produced in our London studio * Trivia fact on each tag * GS1 barcode for POS Dimensions: A3 - L16.50 inch, W12.00 inch, H0.00 inch A4 - L12.00inch, W8.00 inch, H0.00inch Weight in grams: A3 - 180 A4 - 90