| Transit Instrument, with reversing arrangement, illumination with oil or electric lamp, filar micrometer with two eye pieces. |
| To this day Filar credits his escape to the spirit of his dead mother and one final act of motherhood. |
| The biggest problem was that an adaptor plate for the filar micrometer was missing and Brian had to get another one made. |
| To Bouguer in 1748 is due the true conception of measurement by double image without the auxiliary aid of a filar micrometer, viz. |
| The entry level ELT1 is a video filar system for measuring the indents on the computer's monitor using a virtual joystick for easy on-screen operation. |
| Micro indentation hardness testers, equipped with electronic dual-line filar measuring unit and LCD touch-pad for easy parameter entry and display of results. |
