work, hereby publish it under the following license: English Screw. Slot External with Hole author name string: Andrew Pertsev Wikimedia username: Andrew...
work, hereby publish it under the following license: English Screw Head. Slot external Hole author name string: Andrew Pertsev Wikimedia username: Andrew...
must be done with care as it may break. Place the flash on the end of the mount, securing it with the screws. The tilt of the flash head is 45 degrees...
public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929. Public domain works must...
'rivets' and 'rivet heads' these three fixing points may alternatively be screws or bolts. The presence of drive slots on the heads suggests that the projections...