Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Holman Bros Ltd.
Diwydiant
Instructions for Newgrip Drill Sharpener
Publisher: Holman Bros Ltd.
(20th century)
2017.38/37
Diwydiant
Rock drills for mining, quarrying, civil engineering and all rock excavating work (catalogue)
Publisher: Holman Bros Ltd.
1995.356
Diwydiant
Holbits. Tungsten Carbide Tipped Rock Drill Bits (brochure)
Publisher: Holman Bros Ltd.
(20th century)
2017.38/34
Diwydiant
Pneumatic tools.light rippers,roof rippers (booklet)
Production: Holman Bros Ltd.
(1931 (circa))
1995.218 (1-2 of 2)
Diwydiant
Holman silver bullet throttle blowing type (leaflet)
Production: Holman Bros Ltd.
1992.336/14
Diwydiant
The Holman Dryductor Drill (catalogue)
Publisher: Holman Bros Ltd.
(20th century)
2017.38/33
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