Monday Mystery meter

 The scale is in volts, there appears to be a resistance coil of sorts between what I assume to be the fixed probes so what is this meter for? I was pleased to find the company is still in business, making meters that don't look like this.

 

My, what big teeth you have...

 This tool looks a lot more exciting than it actually is, the head of a carpet stretcher.

Sidecar Sunday

D H Davidson with unnamed passenger (as always).

 

Cooper's bung borer

A tool for making holes in barrels. Can't make out the lettering on the handle unfortunately.

 

3D sander

This is a unique design for a palm sander, looks useful for uneven surfaces. Never seen one in person before, it must not have been a sales success.

 

La Moto 1922

 

Bruning electric eraser

 I've made a lot of mistakes in my time, but not enough to justify a power eraser!

Transporting the future, Eames Tandem Sling Seating

  How do you transport a multi-seat bench for a waiting room? This sleek. modern aluminum and nylon airport seating system was introduced in 1962 by designers Charles and Ray Eames. The method of transport is more down to earth and not near as modern. 

Rain King D-1 sprinkler

 These common-item type devices were so much more interesting before plastic was invented. This 1932 patent lawn sprinkler is largely made of cast iron and brass.

Patent 1883264 applies to the design of the sprinkler nozzle, and is assigned to HORACE C. WRIGHT, OF CHICAGO, ILLINOIS, ASSIGNED TO CHICAGO FLEXIBLE SHAFT COMPANY, OF CHICAGO, ELINOIS, A CORPORATION OF ILLINOIS ADJUSTABLE NOZZLE 

W P Carter

A small (4" long) S wrench with W P Carter stamped on both sides and the letters EVO. After finding nothing online, I'm guessing maybe Mr. Carter was just making sure he didn't lose his tools?