What is it? Answers LVII

Friday, March 25, 2005

302. Tile marker that is used on imitation tile:

303. Double Prism Optical Square

304. Wood joiner

305. Drag shoe or ruggle. It's a type of brake to prevent a heavily loaded wagon from overpowering the horses on a steep downhill grade, it makes the wagon slide down the hill instead of rolling.

306. Optical illusion ring, you can see in the photo that the links on top look thinner than the ones on the bottom, when you turn the ring it appears that they actually grow larger right before your eyes, or get smaller if you turn it the opposite way.

307. Trammel point