1154. Boring machine or beam borer, used by timber framers to drill mortises and peg holes:
1155. Tire groover, used to cut tread into truck or racing tires, similar to patent number 1,926,520:
Late Thursday I received a few more photos:
The part in the lower left of the first photo is a tool that is used to add or remove the cutters:
1156. Holder for a small pocket watch:
1157. Egg shell cutter, or egg topper, used for cutting off the top of a soft boiled egg.
1158. Carriage jack and wrench, patent number D27812:
A later patent, number 662,715, shows how it was used to hold the wheel while the axle was being lubricated.
1159. Tool for cutting glass gage tubes, patent number 483,778:
To submit photos, click on the profile link at the upper right to find my email address.
Last week's set is seen below, click here to view the entire post:
Black Ops Pro Tips
More discussion and comments on these photos can be found at the newsgroup rec.puzzles.