Image
Category
Maker
Object type
Place
Material
Date
Horstmann adjustable thread caliper gauge for M8 threads

Horstmann adjustable thread caliper gauge for M8 threads

ring gauge

ring gauge

1907

Thread gauge by Holtzapffel

Thread gauge by Holtzapffel

Sample thread gauge

Sample thread gauge

circa 1917-1919

Steel thread gauge for American 60 degree threads.

Steel thread gauge for American 60 degree threads.

N. K.

Setting gauge for thread cutting tools

Setting gauge for thread cutting tools

1857-1948

Steel centre gauge

Steel centre gauge

O-VEE Spring Thread Gauge

O-VEE Spring Thread Gauge

1946 or later.

O-VEE Spring Thread Gauges

O-VEE Spring Thread Gauges

1946 or later.

International Thread measuring machine

International Thread measuring machine

Taper Thread Gauge checking machine

Taper Thread Gauge checking machine

Taper Thread Gauge checking machine

Taper Thread Gauge checking machine

Taper Thread gauge checking machine

Taper Thread gauge checking machine

Taper Thread Gauge checking machine

Taper Thread Gauge checking machine

Sample thread gauge

Sample thread gauge

circa 1917-1919

Steel centre gauge

Steel centre gauge

29 degree screw thread gauge

29 degree screw thread gauge

1857-1948

Steel thread gauge

Steel thread gauge

N. K.

Taper thread Gauge checking machine

Taper thread Gauge checking machine

Taper Thread Gauge Checking machine

Taper Thread Gauge Checking machine

Taper Thread Gauge checking machine

Taper Thread Gauge checking machine

ring  gauge

ring gauge

1969

Three O-VEE Spring Thread Gauges.

Three O-VEE Spring Thread Gauges.

1946 or later.

Five thread gauges

Five thread gauges

Taper Thread Gauge checking machine, 1934, for the measurement of the thread pitch.

Taper Thread Gauge checking machine

circa 1934

Standard handles nos. 0-6, with standard length and thread gauges

Standard handles nos. 0-6

Fold a way 'System International' thread gauges made by Starrett.

Fold away 'System International' thread gauges

Steel centre gauge, Whitworth standard 55 degree angles. Pattern no. 878, and steel centre gauge, U.S. standard angle, 60 degrees pattern no. 879, both mounted together on a display board (see 2 stroke nos).

Steel centre gauge

O-VEE Spring Thread Gauge, 9B.A.

O-VEE Spring Thread Gauge, 9B.A.

1946 or later.

Standard screw thread gauge for 2 1/4 to 20 t.p.i.

Standard screw thread gauge for 2 1/4 to 20 t.p.i.

N. K.

Whitworth thread gauges on a ring

Thread gauges

Adapter for screw thread measurement using the Sigma Gauge, complete with thread standards, 1951

Adapter for screw thread measurement, for Sigma Instruments thickness gauge

1951

Set of Whitworth/Metric thread gauges, recovered from British Rail Engineering Ltd. Swindon

Metric thread gauge