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Women are a mystery or a woman is complicated to understand concept with the word woman spelled on a puzzle box or Cryptex. For most men, women tend to be an unsolvable enigma
Cashier giving receipt to customer
Old type radar machine used on ships
Video mixer digital keys
Intercom Call Buttons and Remote Control Close-up
It's important to keep a cool temperature around technology
Old digital twelve-digit seven-segment vacuum fluorescent display with green glow, top view close-up on a gray background
A person stands beside a server rack, hand extended to the glowing green indicators, with a backdrop of dim street lights.
numeric keypad
Obsolete and decaying old British red telephone box now surplus to requirements with the advent of mobile phone technology
Vintage 50s Bank Office with Retro Calculation Equipment and banking Money Machine.Good Memory to the Past
A side view angle close up photograph of a black security system keypad with numbers illuminated in green.
영동 와인동굴의 풍경.
Oxygen word set up as a password to combination puzzle box (cryptex) with rings of letters; young lady guess the secret code. closeup on black background. Secret message, keyword, passcode puzzle concept.
A blurred person touches a server rack with bright green lights, hinting at a data hub in a city’s network.
numeric keypad
Representing the passage of time, close-up of a sundial in the Cuban municipality of Rafael Freyre which is situated in Holguin Province.
Shiney brass barrel of a cylinder numerical combination padlock. Illustrates security, protection and secrecy. Macro close up..
A very old style keyboard with a Stop key
A closeup of a Muldivo Electro-mechanical calculator from the 1950s
Mechanical counter
an unusual clock face filmed with an extreme macro close-up lens
A sticker is attached to a B737-300 thrust lever to prevent engine start during ongoing maintenance operations
laboratory equipment operating system control buttons.
Antique Safety Deposit Boxes
demon word set up as a password to combination puzzle box (cryptex) with rings of letters; black background
Rows of brass mailboxes at small town post office. Iowa, USA.
Old Touch-keyboard. My first computer..Sinclair ZX81.
Close up of a coin slot for an old jukebox vending machine.
Free Images: "bestof:Net Control Device, holds 15 keys - National Cryptologic Museum - DSC07991.JPG en Exhibit in the National Cryptologic Museum Fort Meade Maryland USA All items"
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