Typewriter key Sextant, weight scales and a map Door of safe, Close-up of handle and dial Picture This II Ale Tap 1893 19th Century Electric Telegraph Equipment Antique wooden camera Practical Television, March 1959 Thread cutting die set Antique set square and pair of compasses on wooden table Practical Television, July 1958 Letter D on typewriter Vintage metal tool with twin heads lying open on metal sheet Lights bulbs shining in the darkness. Weather vane Stacked CD's Close up of antique ink well and pen Diptych Voigtlander Printing machine Iloca Quick-A antique telephone with a piece of paper and pencil Napier Lion Engine old-fashioned scope Motorola Color TV Advertisement Close up of printing blocks with dollar sign on wood Drawing of an armillary sphere old-fashioned scale Vintage Washington DC Burroughs Adding Machine United Kingdom, Bristol, close up of fonts from antique book binding Ader's flying machine, 19th century Brooklyn Reflex Bel-Aire Fan - Orange Perpetual motion machine of von Kranach Instant London United Kingdom, Bristol, close up of printing plate watering can Carpentry tool on floor typewriter Close up of printing blocks with dollar sign camera meter Assortment of printing blocks with word DESIGN in the middle of picture old-fashioned saw Finger pressing telegraph key, studio shot 19th Century furnace for gas lighting Practical Wireless, November 1958 Early Washing Machine Practical Wireless, February 1957 Page 1 Page 2 Page 3 Page 4 Page 6