From A Manual of Useful Knowledge, Being a Collection of Valuable and Miscellaneous Receipts and Philosophical Experiments, Selected from Various Authors, by William Pybus. 1810.
Monday, April 23, 2012
75. To Make an Oil which is useful for Watches, &c. and preserves Metals from Rust.
AN eel is to be half fried, and its fat carefully expressed and clarified. This oil is the most subtle for watches and other diminutive machinery, as it never thickens, and consequently preserves the iron from the effects of rust.
From A Manual of Useful Knowledge, Being a Collection of Valuable and Miscellaneous Receipts and Philosophical Experiments, Selected from Various Authors, by William Pybus. 1810.
From A Manual of Useful Knowledge, Being a Collection of Valuable and Miscellaneous Receipts and Philosophical Experiments, Selected from Various Authors, by William Pybus. 1810.
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