A refinement in the procedure for the sterilization of liquids.
ES109166A1
Way to capture electrical oscillations.
GB191307683A
Improvements in or relating to Levels for Measuring the Superelevation of Railway Tracks.
US1136427A
Instrument for measuring or verifying the superelevation, gage, and inclination of the rails of railway-tracks.
US1054570A
Nut or locking device for screws.
GB191023142A
An Improved Nut or Locking Device for Screws.
US1028743A
Liner for use in fixing screw-spikes in railway-sleepers.
CA141007A
Spike fixing mechanism
GB190925148A
Improvements in Liners for Fixing Screw Spikes in Railway Sleepers.
GB190921829A
An Improved Liner for use in Fixing Screw-spikes in Railway Sleepers.
US909619A
Means for fastening in position railway-spikes or the like.
GB190727292A
Improvements in or connected with Means for Fastening in Position Railway Spikes.
GB190401280A
Improvements in or connected with Vessels for Storing and Distributing Materials of a Creamy or Semi-fluid Consistence more particularly applicable to Mustard Pots.
US703796A
Bolt-retainer.
GB190111468A
Improvements in Trenails for securing Rails to Wooden Sleepers.
