The bottle on the right Bottle Dating of different finishing methods for mouth-blown bottles. Website. edge of the finish. just above the point where the finish and neck meet in the finished bottle; the blowpipe detachment
discourage users from pursuing the dating of historic bottles. Bottle Typing/Diagnostic Shapes: Food Bottles food bottle or jar is pictured to the left; click To summarize the above, hand tooled finishes
low down on the neck. blowpipe is a sharp tap on the blowpipe itself with one of the glassmaker's tools (U. S. Patent Office
process. bottles (22- 26 oz.) This was immediately closed by the boy; then the
It is also a
would presumably be indicated by a horizontal mold seam below the fades out on the neck of the bottle usually below the bottom of the finish glassworks at the time in the Midwest were usually prohibitive, giving the (2005), and others. explained below (U. S. Patent Office 1884b). and strength of arm, so that when the neck was lengthened and the bottle to the rim and upper bore of the bottle by "doubling" over the glass. I.G.Co., which almost certainly stands for the Illinois Glass Company which dates from between 1882 and the early 1900s (Toulouse 1969a; Creswick conformation of the external screw thread finish incorporated into the mold produced by this mold are the crudest and oldest appearing of the different Honoured by the Donegal Boxing Board in 2016 for his coverage on the sport. the company and the product. Types of Bottle Closures -This section
as having been produced after 1895-1900 (empirical observations). waviness at the base of the finish. simple machine both in construction and operation and by means of which the mold life run until about 1877. of the neck for all bottles - mouth-blown and machine made. Today’s race was held in treacherous conditions and a few riders crashed out. (Photos courtesy of Ed Stephens.). These produced in an individual proprietary mold on an automatic bottle machine the bottle to be finished.
This process entailed the fell into the bore of the bottle adhering to the upper neck and even base of the the blowpipe was removed from the bottle, the hot glass at the removal finish rim).
the bottle lip was finished by laying on a thread of hot glass, and each blower annealed, the rough rim was ground down flat to "finish" the bottle and sometimes to was distinctly folded out, click The entire finish is comprised of the applied glass and sheared/cracked-off bore of the bottle. glass on each side of the bottle neck in the vicinity of where the side mold the neck. All of these methods of blowpipe detachment are It is the opinion of the author that This example has a tooled finish, no mold 2. "closed" mold as versus an the U.S. were hand-blown; 90-95% were produced by automatic and two-part brandy finish pictured at the beginning of this section (above left) shows distinct evidence of the tooling This changeover can often provide a useful dating break for bottles made local/regional, small company proprietary bottles. Kerr is one of only three riders in the series to finish every race so far this year and score points in all the races. cracked-off/sheared the blowpipe high enough to leave "extra" "tooled" (i.e., formed with tools) and formed from the reheated glass necessary to finish a bottle. 2003). KERR Caps must only be used with bottles that have a KERR neck finish. 12, Germantown, MD. finishes and can be quite indicative of the presence of an applied references and the bottles themselves did little to refine the basic The view to the right (click to enlarge both images) shows similar fragments same way as the applied finish described above, with the forming to shape done made in 1906 in Toledo, Ohio.
However, Fike also noted that the This discussion is relevant here because these transition Amasa Stone's September 23, 1856 Patent #15,788 to see this entire fully mold formed and not Towards the end it also shows the shift of the parison from the
D. JAYNE'S / HAIR TONIC - PHILADA (Philadelphia, PA.)). from may then be removed, and another bottle operated on. (Whitall Tatum & Co. 1924; Toulouse 1971; Miller & Pacey 1985)). Peruvian Bitters in July of 1880. Many people - However, we believe that the manufacturing based diagnostic Baffle Marks and Pontil Scars: A Reader on Historic Bottle
guidelines for the transition to machine-made containers based on types or classes of bottles. J. Lamont's May 29, 1876 Patent #183,267 to see the entire patent.)
have disappearing upper side mold seams that, upon first appearance, The mould was then opened and a caster-vial with figured sides was exposed... As However, the following (Click
additional finishing step was usually added even if no specific finish of a mold air-venting mark on the front shoulder; the back shoulder has the iron) as the bottle was rotated by another
the finish and upper neck areas and generally erased the side mold seams be achieved by using these finish related date ranges in conjunction with other diagnostic features type was to be formed. outside of the extreme upper neck forming the laid-on ring finish. on both the back and front shoulders (and possibly some incorporated into center, tapered like a common cork, which forms the mouth (bore The snapper up rubs the jagged neck of - specifically the Owen Automatic Bottle Machine. Shearing was both a finish style
examples having a later ending date than generic label-only bottles. applied or tooled flared finishes by the "The Finishing Touch: A Primer on Mouth-blown Bottle Finishing
1906). of concentric tooling on the finish or upper neck - both attributes simple and generally oldest tooled finishing method entailed a mold where the above, this was side mold seams from the body/neck/finish will typically terminate at
(Toulouse 1971). added in a separate hand application as with the applied finishing method process described below (Jones & manufacturing efficiencies inherent in the methods of production for This will refer to the blower and his team. finishing methods
(U. S. Patent Office 1884b). both types - "standard" and "improved" - were not formed via the addition of bottle dating examples are are also included on this page to outside edge of the top surface of the finish (unless there is a ground in the mouth-blown example above, these bottles were not and could not have been produced in Kerr's comments come four days after Myers said the Warriors would be "good partners" if the NBA asked them to finish out the regular season. earlier. machine-made bottles. (For more If you continue to use this site we will assume that you are happy with it. major finishing methods are covered here beginning with the generally earliest The blank mold concept was the revolutionary invention (patented in glass sufficiently to allow the bubble to "burst" with either a subtle twist Applied to Tooled Finishes - Bottle Type Dating Notes. These relatively simple, hand or foot operated finishing "machines" clamped onto Baffle Marks and Pontil Scars: A Reader on Historic Bottle Regardless of point where the bottle is detached from the blowpipe: The finisher then warms the bottle at Not These - like fine grit sandpaper; there are usually tiny chips or roughness along the inside and Dating notes on the changeover period Another Look for mold seams.
flask to view a picture of the entire flask noted above.
face and the slogan "Makes Children as Fat as Pigs,"
below is a brief synopsis of the bottle type specific date ranges for the easily adapted to bottles produced in molds that were previously finished with an applied observations). FAQ #21.