Boxed sand testing compression machine scale manufactured by Ridsdale & Co. Ltd. of Middlesbrough. A specialised industrial tool designed for foundry use, specifically for measuring the green compression strength of prepared moulding sand.

This is not a standard hanging scale but a purpose-built testing device used in sand control processes. Ideal for collectors, engineering environments, or specialist workshop use.

Presented in good condition and supplied in its original box.

Please review all photos carefully as they form an important part of the description.

Details:

Manufacturer: Ridsdale & Co. Ltd. (England)

Type: Sand Compression Testing Machine / Gauge

Maximum Capacity: 40 lbs (approx. 14 PSI)

Application: Foundry sand compression testing

Key Features & Specifications:

• Designed to measure green compression strength of moulding sand
• Dual-scale dial:
• Outer scale in pounds (LBS)
• Inner scale in PSI (lbs per square inch)
• Calibrated for standard cylindrical sand samples (approx. 2 inch / 50mm)
• Spring-loaded mechanism applies pressure until specimen collapse
• Clear dial readout for accurate measurement

Condition:

• Good condition
• Boxed