Patent for an improvement to lift pumps for deep oil and artesian wells. The improvement is intended to overcome the difficulty of excessive pressure caused by the liquid rising to the surface that makes foot valve inoperable. The design also makes the pump easier to construct as well as stronger and more durable.
Patent for new and improved trousers. This design "relates to an improvement in pants; and it consists in a pants-leg having a recess or notch cut in its lower rear edge, so as to prevent it from coming in contact with the ground" (lines 12-16).
Patent for a weighing-scale that is "of simple and improved construction which will instantly determine and indicate the weight of the article placed thereon" (lines 13-16). The scale uses revolving disks that have a chain around them which moves a lever to indicate the weight of the object being weighed. The object being weighed sits on a pan that is suspended by the same chains that hold the revolving disks in place.
This dialog allows you to filter your current search.
Each of the Decades listed note their name and the number of records that will be limited down to if you choose that option.
This dialog allows you to filter your current search.
Each of the Years listed note their name and the number of records that will be limited down to if you choose that option.
This dialog allows you to filter your current search.
Each of the Months listed note their name and the number of records that will be limited down to if you choose that option.