| Three-metre level rods with scales on an invar ribbon, and 60-inch target bars for optical triangulation systems are calibrated using a long-bed Abbé comparator equipped with a laser interferometer. |
| Any celebrity I mention, he has invar iably met, appeared alongside or kissed. |
| Pendulums have been constructed of new materials, such as invar, fused silica, and fused quartz. |
| Known to horologists for his remarkable work on alloys of steel and nickel, resulting in the invar pendulum-rod, the integral balance named after him and the compensating balance-spring. |
| Two mechanical designs, based on invar, have been constructed in the BIPM workshop for the realization of very compact lasers using a threemirror laser cavity for a selection mode. |
| Under the 3D metrology menu tab, site visitors can access information about certified and serialized target holders, instrument stands and accessories, invar and scale bars. |
