are vertical guide- trouble of measuring, using dividers or maintaining a ways, are secured to the side rails of the window frame, knife sharp enough to cut rubber. The only require- and in these guideways slide bearing blocks in which ment is to strike light with the hammer, so as not to are… … is designed to be automatically effected by the sepa- TURNBULL'S SHADE SUPPORTER. rator shown in the accompanying illustration, the im- provement making it possible to dispense with a great these blocks, in connection with the shaft, form a sup- deal of the tankage room heretofore required, and…
Patents · Patented · Adapted · Munn · Scientific American · Railway post · Rapid transit · Post office · General post · Circuit breaker · Third avenue · Patent office · Post offices · Horse power
Internet Archive · Public domain (published before 1931). Free to use for anything.
